Yonke imveliso yenziwe endlwini ukusuka ekubunjweni ukuya kwiindawo zokugqiba .Ukuhlolwa kwenkqubo kufuneka kwenziwe ngexesha lenkqubo nganye kwaye kwenziwe iirekhodi .
Ukuhlola: Sixhotyiswe ngezixhobo zokuhlola eziphambili ezifana nomatshini wokulinganisa uBrown & Sharpe olungelelanisa ezintathu, iColin Begg P100/P65/P26 iziko lomlinganiselo, isixhobo saseJamani Marl cylindricity, Japan umvavanyi roughness, Optical Profiler, projektha, umatshini wokulinganisa ubude njl.njl. uhlolo lokugqibela ngokuchanekileyo nangokupheleleyo.