HEATKEYS

eFunda, the ultimate online reference for the mechanical engineering community

Structural calculations for W beams, S Beams and American Standard Channels. This steel beam calculator is intended to be used to design steel beams used in residential construction and assumes that the top flange is laterally braced.

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

Free books and documents search with fast and relevant results better than any online library.

WebStructural, structural engineering software for steel and wood.

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

Do it yourself home improvement and diy repair at Doityourself.com. Includes home improvement projects, home repair, kitchen remodeling, plumbing, electrical, painting, real estate, and decorating.

Reference.com - Free online encyclopedia and reference. Quickly research famous people, places, topics, and events from trusted sources.

CustomPartNet is a free resource for engineers and manufacturers that facilitates product design and cost estimation. Learn about the process cycle and design for manufacturing (DFM) guidelines for a wide range of manufacturing processes, including i...