1) Solid mechanic 
SolidWorks is solid modeling CAD (computer-aided design) software that runs on Microsoft Windows and is produced by Dassault Systèmes SolidWorks Corp., a subsidiary of Dassault Systèmes, S. A. (Vélizy, France). SolidWorks is currently used by over 2 million engineers and designers at more than 165,000 companies worldwide. FY2011 revenue for Sol...