Tili ndi zida zowunikira zapamwamba monga makina oyezera a Brown & Sharpe atatu, Colin Begg P100/P65/P26, chida cha German Marl cylindricity, Japan roughness tester, Optical Profiler, projector, makina oyezera kutalika ndi zina. kuyendera molondola komanso kwathunthu .