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Engineers Edge - Total Design, Engineering & Manufacturing Resouces

Knovel Unit Converter enables you to convert between any scientific and engineering units of measurement

Tools and Basic Information for Design, Engineering and Construction of Technical Applications

Online Conversion is a resource for weights, measures, calculators, converters.

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Online reference tool for mechanical designers. Includes engineering data tables, material info, manufacturing methods, software guides, design guides and more!!

online unit converter - the richest collection of converters for online unit conversion.

AIAA is the shaping, dynamic force in aerospace - The forum for innovation, excellence and global leadership.

Music, movies, TV, shows and now friends. Get connected on iTunes 10.

IEEE Xplore. Delivering full text access to the world

The Timken Company is a global manufacturer and supplier of Bearings, Alloy Steel, Power Transmission Components, Engineered Surfaces, Lubrication, Seals, Motion Control Systems, Services