NASA Tech Briefs

Innovations developed by NASA and its industry partners in a wide array of fields.

Power Transmission

Gear drives, bearings, motors, clutches, couplings, machine controls, sensors and components.

Design-2-Part

How OEM's can make their parts better, faster, and more efficient.

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

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LISSAM is one of professional China Welding Cutting machine manufacturers and Welding helmet Suppliers, our products cover Welding Machine, Welding Accessories, Welding Consumables, Gas Equipment,...
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