Inverted pendulum mechanical electricaldela

In need of expert architect services to design a single-floor duplex ide...and satisfactory, the design should include: • Adequate space planning optimised for both comfort and efficiency. • Inclusion of electrical wiring and plumbing system in the architectural plans. Your role will be fundamental to meeting the functionality and aesthetic expectations, hence experience in designing residential structures is a plus. Mastering elements of a modern duplex design and demonstrating an understanding of effective space planning is beneficial. Preference will be given to those with a solid portfolio of similar projects, showing understanding of the practicalities of rental properties. Appreciation for details, such as efficient electrical wiring and plumbing system int...

I require a professional to design a CT extension wire cable for my outdoor electrical current measurement project. The CT Ratio is 1600/5, and is class 0.5VA, so CT burden is 15VA. the meter burden is 0.5VA. I want to know what size of cable in mm2 is required for the extension cable. It is 500m from CT to meter Key Requirements: - Design the cable for measuring electrical currents. - The cable will be used outdoors, so it must be weather-resistant. - Be able to withstand temperatures ranging from 0°C to 40°C. Ideal Skills: - Experience in cable design, particularly for electrical applications. - Knowledge of materials suitable for outdoor use. - Awareness of temperature and weather-resistance requirements in cable design. Looking for someone who can deli...

Project Description: We are seeking a highly skilled software developer or a team of developers to create an innovative mechanical parking control system. This project involves developing a comprehensive solution that includes multiple sensors, Lift and doors control system , a web-based kiosk interface, backend server logic, and integration with physical hardware components like sensors and shuttles for vehicle storage and retrieval. The goal is to provide a seamless, efficient, and user-friendly parking experience with minimal driver involvement. Please note: This is not a parking App!!! This is a control software for a mechanical parking systems, including control of sensors, Lifts, doors etc. For reference, see similair systems here:

I'm seeking a skilled AutoCAD draftsman to assist with creating detailed architectural, mechanical, and electrical drawings for a Data Center project. Key Responsibilities: - Designing the Data Center plan, including rack layout and server room organization. - Ensuring the drawings meet industry standards for accuracy and clarity. You should have: - Proficiency in AutoCAD and experience with architectural, mechanical, and electrical drawings. - Knowledge of Data Center design, including rack layout and server room organization. - Strong attention to detail and the ability to create precise, professional drawings. Looking forward to seeing your portfolio and discussing the project further.

I am requiring an expert in creating 3D Isometrics in AutoCad for the purpose of engineering analysis. Features: - Understanding of engineering principles is necessary. As the key components remain unspecified, your adaptability to incorporate different elements - mechanical, electrical, or structural, is vital. - Must be able to work quickly as the project demands immediate attention. Ideal Candidate: - Proficient in AutoCad and 3D modeling. - Background in engineering design. - Can work swiftly and efficiently. Please include examples of previous relevant work in your proposal.

Prosimo, vpišite se ali se prijavite za več podrobnosti.

I'm in need of a skilled professional to address a flickering issue in my indoor LED installation, on an urgent timeline within a week....will need to identify the root cause of the flickering and apply a suitable fix. - Timely response and repair: Since this issue is affecting a key element of my indoor setup, it's crucial to have this addressed promptly within a week. Ideal skills and experience: - Proven track record in LED repair: Demonstrable experience in addressing LED issues will be highly valued. - Electrical expertise: A background in electrical engineering or related field will be beneficial, as it will aid in understanding the intricacies of the LED system. - Timeliness and reliability: Due to the urgency of the project, the ability to adhere to deadlin...

...images for high-resolution output suitable for both print and digital displays. Deliverables: 3D conceptual drawings in recommended high-resolution formats for large-format digital presentation. Reference Materials: Basic visual images with dimensions and material specifications. Lists and images/specifications of components and additional features. Existing visuals and spec sheets for all electrical components and materials. Timeline: Immediate Budget: ~$150 for the initial design phase. We will discuss further budgeting post-initial design approval. Application Requirements: Portfolio showcasing previous 3D rendering work, preferably with industrial or technological projects. Indicate your recommended file formats for high-resolution output. Estimate the time required t...

I need a succinct yet comprehensive fee proposal document created for my electrical business. The document should be between 1-5 pages long, ensuring brevity whilst covering the crucial information. Sections required: - Service Offerings: Outline my three main services which include electrical installations, electrical repairs, and regular electrical maintenance. A clear and concise description of each offering is vital. - Pricing Information: Provide a brief overview of the pricing for each service. Educate readers without overwhelming them with unnecessary details. The ideal freelancer for this project would have a strong background in business writing with a keen understanding of the electrical services industry. Someone with experience in draftin...

I need a skilled electrical engineer with experience in OpenDSS to help with modeling and calculation of distribution transformers in one on one session. Key tasks: - Transformer modeling: The focus will be on advanced parameterization, including nonlinear characteristics. - Transformer types: The modeling will include both single-phase and three-phase transformers. Ideal skills: - Proficiency in OpenDSS: You should have a good understanding of the software and hands-on experience with transformer modeling. - Electrical engineering background: Knowledge of transformer characteristics and relevant parameters and standards is essential. - Attention to detail: The modeling needs to be done at an advanced level, so attention to detail is crucial. This is an exciting project f...

full set blueprints: STAGE 1: cover, floorplan, Interior elevations. 400 USD STAGE 2: plumbing, electrical, window door schedule, Details 400USD

I'm looking for an architect or drafter with substantial experience in traditional design to create the plans for a 5-6 bedroom villa. Key aspects of the project: - The design should be tra...Elevation drawings 6. Section drawings 6.1 The insides of walls or floors 6.2 The foundation of the building 6.3 Beams 6.4 Columns 6.5 Lintels, or support structures above doors and windows 7. Detail drawings. 7.1 Door frames 7.2 Staircases 7.3 Material connections, such as where a 7.4 column meets the foundation 7.5 Cornices, or decorative features near the top of a wall 7.6Window frames 8. Mechanical and electrical drawings. 8.1 Load calculations 8.2 Switch locations 8.3 Wiring paths 8.4 Connections to outdoor power grid The land area is 1000 sqm while the construction area is ...

I'm in need of a logo for an automotive training company that has a vintage feel to it. The design should incorporate the following elements: - Two mad scientists working with electrical and mechanical parts. - The design should be full color, making use of a vintage style that's visually appealing. Ideal candidates should have: - Proven experience in designing vintage logos. - A strong grasp of conveying concepts through graphic design. - Proficiency in utilizing color to create engaging visual elements.

...fitted kitchen and bathroom - A cozy bedroom and a functional living room. This is meant to accommodate 1-2 people living comfortably, hence the space should be planned and utilized efficiently. Ideal freelancers for this project would: - Have experience in remodeling and converting garages into ADUs - Expertise in design and space planning, particularly with small spaces - Plumbing and Electrical knowledge (for the kitchen and bathroom) - Have a good understanding of required permits, compliance and local building codes for ADUs. Given that the garage is in an average condition, an understanding of any potential repair or reinforcement items that may need to be addressed, along with a solid plan of action, is appreciated. Looking for professionals who can manage and exec...

We need someone particular with experience in creating and following strict guidelines to draft floor plans, electrical layouts and plumbing layouts for tenant submission drawings. As soon as possible preferably before May 1st. Key Responsibilities: - Generate accurate floor plans - Design comprehensive electrical layouts - Create detailed plumbing layouts - Adherence to Local Building Codes strictly - Delivering the final product in PDF format Ideal Experience & Skills: - Extensive experience in architectural drafting, with preference given to those who've worked on tenant submission projects - Proficiency in creating PDF files - Deep understanding of Local Building Codes - Attention to detail is paramount for this project. Your ability to deliver precise and code...

I am in need of a proficient AutoCAD designer to create a detailed layout for a single bathroom, catering to both residential and commercial use. - The design should explicitly include Plumbing lines, Electrical outlets, and Bathroom fixtures. - In addition to your AutoCAD design proficiency, previous experience with architectural interior design will be much appreciated. - Your understanding of plumbing and electrical planning is crucial for this project as well. Please attach a portfolio or examples of previous similar work when submitting your bid. Looking forward to working with an experienced and detailed oriented individual.

I need a line drawing to illustrate a mechanical engineering project I'm working on. The drawing should: - Be mechanical in nature, reflecting its real-world counterpart - Be detailed enough to show the concept, but not overly complex as it is still in the conceptual stage. Ideal candidates should: - Have experience in mechanical engineering or similar fields, to ensure the technical accuracy of the drawing. - Have a good understanding of engineering drawings, as this will help in conveying the concept effectively in line form.

...proficient academic writer with a strong background in electrical engineering. What I need: - Detailed and comprehensive academic writing for PhD level research for various topics - In-depth understanding of EE concepts and systems. - Proper referencing and citation as per academic standards. Ideal candidate: - A solid background in electrical engineering. - Previous experience with PhD level academic writing. - Command of English language (writing should be clear, concise, and error-free). Deliverables: - Properly researched and cited PhD-level academic content. - Plagiarism free writing. - Clear and concise expression of ideas. Please only bid if you are confident in your understanding and expertise in power systems within electrical engineering and also can p...

I'm looking for a skilled professional to add a cutter control program to my Programmable Logic Controller (PLC). The primary function of this program will be to control a guillotine cutter. Ideal Skills and Experience: - Proficiency in PLC Programming: You should have a solid background in programming PLCs, particularly for industrial applications. - ...Detail: Precision is essential in this project, as it involves the control of a cutting device. Key Requirements; We have two existing machines with PLC's and would like to add or migrate a program, from one to the other (if this is possible). This will allow us more features and more customer possibilities. We also have this program stored on a laptop which could be of help. There are full electrical drawings availabl...

...Ansys model for an electric vehicle battery design. The primary focus will be on thermal management and electrical configuration, so experience in these areas is crucial. Key Requirements: - Create an Ansys model for a battery designed for electric vehicles. - Expertise in thermal management and electrical configuration within Ansys. - Ability to simulate the behavior of the battery in different conditions. - Provide recommendations for optimizing the thermal and electrical performance of the battery. Ideal skills and experience for this job: - Strong background in Ansys software, particularly in the field of battery design for electric vehicles. - Experience in thermal management and electrical configuration of battery systems. - Strong understanding of th...

Prosimo, vpišite se ali se prijavite za več podrobnosti.

Prosimo, vpišite se ali se prijavite za več podrobnosti.

...document writer to help me create a variety of documents for an Australian Electrical Project Company. The documents will be primarily focused on formal policies and procedures, as well as technical documents. Key Responsibilities: - Assist in creating comprehensive policies and procedures that comply with relevant regulations and standards. - Develop technical documents that are clear, concise, and accessible for our internal teams. - Ensure all documents are written in a formal tone that aligns with our corporate image. Documents Suite Required: Review Document for aligned formatting - Quality Management Manual - Quality Management Methodology - Electrical Commissioning Plans Create Document - Electrical Log Book Guidelines - MDR Guidelines ...

I am looking for an experienced and proficient engineer to design a scissor lift blueprint. The end-use of the lift is currently undefined, hence, versatility must be a focal point of the design. Skills and experience: - Engineering background - Excellent concept of mechanical design subject

I'm on the lookout for a professional with an extensive background in mechanical or automotive engineering. This project involves the designing of a truck trailer, specifically for transporting heavy equipment. Key features of your design should include: - Adequate space to carry varied sizes of equipment - Robust structure to withstand heavy weights Since the maximum weight the trailer will be carrying is not yet determined, the design should be flexible enough to adapt to different weight ranges. The candidate must understand and implement commercial vehicle regulations and safety standards in their design. A portfolio showcasing similar work would be a positive. Knowledge of CAD software for creating design blueprints is essential.

...that focuses on strictly manipulating and controlling small volumes of liquid, less than 100mL. The machine should be designed to provide good accuracy and consistency in liquid volume control. Here's what I'm seeking: - No preference for material: Please use your discretion which material (plastic, stainless steel, or aluminum) would be best suited for this project. - Expertise: Experience in mechanical engineering, fluid mechanics, and device fabrication is absolutely essential. Previous work with liquid control devices will be highly regarded. Details of such experiences should be provided in your proposal. - Support upto 6 liquid sources w/o human interventions during the process. - Control the device from a mobile app. - Keep the size of the machine smaller than ...

I am looking for an expert who can deliver a virtual simulation of a complete biogas power plant system. This includes both mechanical assemblies and the biogas engine. The power output target for the plant is 2 MW. The key tasks that need to be fulfilled are: - Generate a comprehensive model and simulate the same in a platform like PS CAD, Matlab or any others suitable for such tasks. - Perform a thorough operational stability assessment. This should include an in-depth analysis covering all aspects of the power system and not just basic functionality. The critical objective of the project is the evaluation and optimization of the biogas engine's performance. Therefore, the freelancer should possess: - Proficient knowledge in simulating complex systems, particularly in the...

My goal is to innovate a flat shoe by developing a removable and replaceable heel. This project encompasses improving comfort, enhancing durabil...such as Rubber, Plastic, or TPU (Thermoplastic polyurethane) for the heel composition, ensuring robustness and longevity. - Adherence to specific design requirements which will be provided upon project commencement. Color is flexible at this stage, but the final design must embody both style and functionality. Ideal candidates should have experience in footwear design, material science, and mechanical engineering. Having a creative flair and an eye for detail will be beneficial to create a compelling and effective solution. A market understanding of current footwear trends for style reference is also desired. Let's step up the shoe...

Very simple job two quick drawings should lit take 20 - 30 mins and earn 20£ I need a specialist to accurately redraw my residential floor plan. In addition to the basic layout and room sizes, this project requires advanced details, particularly with electrical and plumbing components. Skills & Experience: - Proficiency in AutoCAD is a must - Experience in architectural detailing, especially in residential settings -Show doors, windows and stairs Deliverables: - The redrawn floor plan as an AutoCAD or hand draw whoever is easier for you file. With the correct markings shown in 3rd photo Should literally take 20 mins to do both, Very simple job

I'm undertaking an engineering project and require assistance in preparing a detailed Bill of Quantities (BOQ) with a focus on structural and electrical and plumbing and architectural elements derived from given drawings. The job requires not only a deep understanding of civil engineering but also proficiency in cost estimation and project budgeting. Job Requirements: - Proven experience in Civil Engineering tasks specifically on structural elements. - Proficiency in producing BOQ from engineering drawings. - Strong knowledge of cost estimation techniques. - Excellent attention to detail. The successful candidate will be responsible for ensuring all structural elements are detailed accurately in the BOQ. Your primary role will be to use the drawings provided to produce a comp...

...need of a talented individual to help me design a custom robotic arm for personal use. - Purpose: The arm will be used for picking and placing objects in my home, so it should be precise, durable, and flexible in its movements. - Weight Range: The objects it will be handling will be less than 1 kg. This means the arm should be structured and powered accordingly. Ideal Skills: - Proficient in mechanical engineering and robotics - Experience in designing and building robotic arms - Familiar with the specifications and constraints of personal applications - Able to create a design that balances precision and strength Please provide samples of your previous work and a brief overview of how you would approach this project in your bid. Let me know if you have any questions or need a...

In need of a proficient ANSYS and/or SolidWorks user to assist with a medium-sized solar PV/Thermal Project, between 10kW and 100kW. The ideal candidate has previous experience with solar design and is skilled in creating detailed component designs. The successful freelancer will be providing: - P&ID diagrams -Electrical and control system schematics - Plant layout drawings - New and off the shelf component designs for the project This is a solar PV/Thermal technology. HVAC experience is a plus. Familiarity with SolidWorks is a bonus, but not necessary. Looking for comprehensive work and attention to detail. More details can be provided following a Non-disclosure agreement (required).

I need an expert who can assist with creating a 3D CAD model for a piece of mechanical equipment. Your job will include: - Designing the overall shape and size - Incorporating some level of internal details. Given the nature of this project, it's necessary to have intermediate level knowledge and experience in CAD modeling, specifically for mechanical equipment. As we will be focusing on both the external look and some internal elements, an understanding of mechanical parts is crucial. An ideal candidate would have: - Advanced experience in AutoCAD or similar CAD software - Portfolio of previous mechanical equipment projects - Great attention to detail - Good understanding of mechanical components and structures This will be a superb opportuni...

I am seeking someone to assist me in publishing my research papers as soon as possible. I have two high-quality, 100% original and authentic research papers (completed) that I aim to publish in an SCI Q1 or Q2 journal within a month. The journal should be related to mechanical engineering, vibration isolation, nonlinear dynamics, or a related field. I can offer $50 USD for each paper

...plan does not specify many dimensions such as window or door sizes, so you must use your judgment and experience with standard US sizes to add those to the plan. The proposed building is a residence of one story and less than 1000sf. I will also provide some photos of a similar building, both under construction and finished, but using stick construction. I do NOT need framing details, mechanical, electrical, or plumbing plans, window or door schedules, a site plan, foundation plan, gutter or drainage plan, or 3D renderings. Since the exact plans you produce will not be inspected or built, such details are not important. The plans must only serve as a realistic and potentially buildable example of this kind of project, so I can get and compare estimates from SIP (Struct...

...CQRobot, 102:1 geared down motor CQR37D24V-J. I need an experienced/skilled mechanical engineer who can: * Evaluate the current motor setup in depth * Design a robust solution that adds enough strength to the motor * Ensure the new design does not add any complications like overheating * Ensure new design does not drive up costs considerably or take up too much space * Provide step-by-step instructions for installation and maintenance * Suggest a USA motor vendor for the motors since can take up to 2 weeks to get current ones. Ideal candidate would have: * Experience in small motor mechanics * Knowledge of paper folding machines unnecessary but beneficial * Strong problem-solving skills * Background in electrical engineering is a plus. Please include relevant work ...

We are looking for Mechanical Engineer having expertise in SOLIDWORKS who can do a design project for us in 3 days. We have attached our prototype document, we want to create a time delayed hinge that will work on cabinet doors and drawers when the cabinet door is opened it winds the hinge mechanism that will start a timer or 2-3 minutes, that will close when the period of time is done. The door/drawer has to be able to close freely at anytime during the winding mechanism, fully wound at 1/4 of the opening rotation, and have a switch that disengages/engages the closing mechanism it can be a different design we just did some initial drawings

...storage and entryway, so it's crucial that it is not only aesthetically pleasing but also functional. Key Features: - Enclosed Space: I'm looking for a porch that can be used year-round, so an enclosed space is crucial. This will enable me to use the porch even in unfavorable weather conditions. - Lighting and Electrical Outlets: These are essential for creating a comfortable living space. The porch should have sufficient lighting for various activities and the presence of electrical outlets will allow me to use electronic devices and appliances outdoors. Ideal Skills: - Experience in residential architectural design, especially porch and home additions - Knowledge of local regulations and zoning laws as they pertain to home modifications - Proficiency in utili...

Looking for a skilled logo designer to create a unique design for a medical engineering company. The logo should include the text 'IDE' along with a Spine and Shield. Additionally, the full company name 'Invictus Development & Engineering' should be incorporated under the logo with an easy-to-read cursive font. Here is the other logo for the "sister company" of the same business. The ...Engineering' should be incorporated under the logo with an easy-to-read cursive font. Here is the other logo for the "sister company" of the same business. The idea is that this new logo has a similar feel to it (but with a spine and shield and also a different text. Maybe a little bit cleaner and more modern approach. Please use the colors from the other ...

I need to implement an electric arc model (heuristic model) in photovoltaic systems to simulate all the conditions present in the IEC 63027 standard. The simulation should be conducted in Simulink. If you are able to create this model, please send a message so we can dis...electric arc model (heuristic model) in photovoltaic systems to simulate all the conditions present in the IEC 63027 standard. The simulation should be conducted in Simulink. If you are able to create this model, please send a message so we can discuss it further. Ideal skills and experience for this job include: - Proficiency in Simulink and simulation software. - Expertise in physics and electrical engineering to model the physical behaviors accurately. - Experience with photovoltaic systems and electric arcs ...

I need a cutting-edge freelancer able to design a funky, creative business logo that will give my company a professional image. The design should encapsulate the vibrancy of my brand and be bright and colorful. Ideal Skills: - A knack for creating catchy, impactful designs. - A strong understanding of how color can influence brand perception. - Proficiency in graphic design software. - Strong understanding of corporate branding and image portrayal. This is an opportunity to bring your creative instincts and design principles to the forefront to create a bright and vibrant logo that will be the face of my brand. I cannot wait to see your colorful creations!

...home-serviced based business. The main aim of this project is to drive more phone calls and leads to my business. Target Audience: - Local residents - Homeowners Services Offered: - Plumbing - Electrical - Heating - Air Conditioning Key Project Goals: - Increase website traffic - Drive more phone calls - Generate more leads Ideal Skills and Experience: - Proven track record in managing Google Ads for home services or similar businesses - Strong understanding of local SEO and targeting - Experience in lead generation campaigns - Ability to analyze and optimize for conversions - Familiarity with plumbing, electrical, heating, and air conditioning services is a plus If you're an experienced Google Ads specialist with a keen eye for detail and a solid grasp on lead ...

...storage freeze room. Ideal Skills and Experience: - Prior experience in designing and setting up central kitchens for similar setups is highly preferred. - Proficiency in layout design that optimizes space and ensures a smooth workflow. - Knowledge of essential equipment for bakery, pastry, and sandwich production. Need the design skitch urgent, need only the layout 2D and 3D, any mechanical and electrical requirements not required and we will work with you after desgin completed, we can select the designer as soon as possible with the required experience. Using in the design the brand "Rational" for equipment to produce different type of production sizes...

I'm seeking a ChatGPT expert to help me fully understand and utilize ChatGPT 4 in Engineering Key Responsibilities: - Full exploration and understanding of ChatGPT 4's architecture - Training the model on specific data and optimizing it for performance - Implementing custom prompts and maximizing the model's conversational capabilities Ideal Candidate: - Proficient in using ChatGPT 4 - Prior experience in fine-tuning pre-trained models - Excellent understanding of machine learning and natural language processing - Capable of explaining complex topics in a simple manner Time is of the essence for me, so I'm looking to get this project completed as soon as possible.

I'm in need of a skilled freelancer who can create MEP plans for a building I'm working on. The project will involve designing the electrical and plumbing systems for the structure. Key requirements: - Experience in designing MEP systems, particularly electrical and plumbing - Capability to create detailed project proposals showcasing your approach and understanding of the project Looking forward to reviewing your proposals and eventually working with you on this project.

We are seeking a skilled Electrical Revit Drafter for upcoming works. Requirements: - more than 3+ years working with electrical systems in Revit - place objects correctly in 2D and 3D, ensuring no items are clashing with other services or architectural elements such as mechanical or glazing/glass. - create accurate lighting, data, power and containment plans. - know how to batch plot sheets also to correct scale - strong electrical knowledge of symbols and requirements. - Autocad and navisworks an advantage - be able to produce drawings quickly and on short turn around timeframes Key Responsibilities: - Developing precise electrical drawings accurate in 2D and 3D - Potentially adjusting existing designs and pointing out potential errors. - Working...

...industrial cleaning machinery. You'll be capturing the use and operation of the machinery. A key part of the project involves taking compelling shots of the machinery in action, to portray its practical applications in an engaging and compelling way. Key Skills & Experience: - Proven experience in videography and video editing - Familiarity with industrial environments - Ability to present mechanical operations in an appealing visual manner - Proficiency in video editing software to create a polished final product This is a marketing and promotional video, meaning that the focus should be on showing the machinery in the most appealing light, emphasizing its ease of operation and efficiency. A sharp eye for detail and an understanding of how to capture industria...

I need an expert to create comprehensive design and drafting plans for plumbing, HVAC, and electrical systems. No installation or troubleshooting is required. Ideal Skills & Experience: - Expert in plumbing, HVAC, and electrical design - Proven drafting skills Application Requirements: - Showcase of past work - Details of experience - Comprehensive project proposal. Scope of Work: - Plumbing design - HVAC design - Electrical system design.

I need a professional with impressive capabilities in AutoCAD to assist me in designing plumbing, HVAC, and electrical plans for a residential building. Key Responsibilities: - Create accurately scaled plumbing plans. - Design a comprehensive and compliant HVAC plan. - Draft clear, detailed electrical plans. Ideal Qualifications: - Significant experience in creating residential building plans. - Proficiency in using AutoCAD for design tasks. - Solid knowledge of plumbing, HVAC, and electrical standards and codes.

I'm in need of a mechanical engineer with experience in calculating load capacities for scissor lifts. The primary material of the lift is steel and the analysis requires consideration of both static and dynamic loads. Key responsibilities: - Conduct load capacity calculations for a steel-based scissor lift - Analyze and consider both static and dynamic loads - Ensure the lift meets safety and performance standards Ideal skills and experience: - Proficiency in mechanical engineering and load capacity calculations - Experience working with scissor lift or similar heavy machinery - Solid knowledge of steel properties and how it affects load capacity - Ability to analyze both static and dynamic loads for safety and performance compliance. Please provide a brief overvie...