Yonke imveliso yenziwe endlwini ukusuka ekubumbeni ukuya kwiindawo zokugqiba. Ukuhlolwa kwenkqubo kufuneka kwenziwe ngexesha lenkqubo nganye kwaye kwenziwe iirekhodi.
Uhlolo: Sixhotyiswe ngezixhobo zokuhlola eziphambili ezifana nomatshini wokulinganisa iBrown & Sharpe onemida emithathu, iziko lokulinganisa iColin Begg P100/P65/P26, isixhobo sokulinganisa iGerman Marl cylindricity, isivavanyeli soburhabaxa saseJapan, iProfayili yeOptical, iprojektha, umatshini wokulinganisa ubude njl.njl. ukuqinisekisa ukuba uhlolo lokugqibela lucwangcisiwe ngokuchanekileyo nangokupheleleyo.