Introduction Have you ever played with a Slinky, used a pinball machine, written with a click pen or ridden in a car? If so, then you have made use of a spring! Springs are in machines all around us ...
CONCORD, Mass.--(BUSINESS WIRE)--Jan. 14, 2004--- China-based firm switches from 2D drawings to 3D software industry standard cutting design time, fueling collaboration with customers Joinease ...
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