<http://schema.org/description>
"In this video, one of EMAG's VTC machines grinds a camshaft using two opposing grinding wheels. Opposing the wheels in such a way cancels axial forces on the camshaft."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/videos/video-dual-wheel-vertical-grinding-of-a-camshaft>