Txhua yam khoom tau ua tiav hauv tsev los ntawm kev sib tsoo mus rau qhov tiav. Kev tshuaj xyuas cov txheej txheem yuav tsum tau ua thaum lub sijhawm txhua txoj kev thiab ua cov ntaub ntawv.
Kev Tshuaj Xyuas: Peb tau nruab nrog cov khoom siv tshuaj xyuas zoo li Brown & Sharpe peb-coordinate ntsuas tshuab, Colin Begg P100 / P65 / P26 ntsuas chaw, German Marl cylindricity instrument, Nyiv roughness tester, Optical Profiler, projector, ntev ntsuas tshuab thiab lwm yam kom paub tseeb tias qhov kev tshuaj xyuas zaum kawg raug thiab tiav.