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Autodesk is a world leader in 3D design software for manufacturing, building, construction, engineering, and entertainment. Since introducing AutoCAD in 1982, Autodesk has developed a broad portfolio of 3D CAD software programs to help users visualiz...

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

VectorEngineer Pro Tools is a complete and easy to use cad system with isometric visualization, great to use for design, technical drawing, diagrams, cad and plans. VectorEngineer Quick Tools is the free version without limitations, free cad software...

Chemistry is the study of matter and energy and the interactions between them. Get facts for the elements in the periodic table. Find chemistry demonstrations and experiments and science fair projects. Get chemistry homework help with worked example ...

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Edraw is a powerful yet easy-to-use program for creating flowcharts, organizational charts, network diagrams, business presentations, building plans, mind mapping and lots more.

Online diagram software. Create and share flowcharts, network diagrams, floorplans, user interface designs and other drawings online with the Gliffy diagram editor.

Design World Online helps engineers and other industry professionals stay up-to-date with engineering videos, manufacturing parts information, industrial news and more.

The best freeware reviews presented to you by Gizmo

EC&M Magazine | Electric design and installation articles covering the National Electrical Code, power quality, and lighting for electrical contractors, engineers and in-plant electrical personnel.

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