Konke ukukhiqizwa kwenziwe endlini kusukela ekubumbeni kuya ezingxenyeni zokugcina. Ukuhlolwa kwenqubo kumele kwenziwe phakathi nenqubo ngayinye futhi kwenziwe amarekhodi.
Ukuhlolwa: Sihlome ngemishini yokuhlola ethuthukisiwe njengomshini wokulinganisa we-Brown & Sharpe onezikhonkwane ezintathu, isikhungo sokulinganisa se-Colin Begg P100/P65/P26, ithuluzi le-German Marl cylindricity, isihloli sokuqina kwe-Japan, i-Optical Profiler, i-projector, umshini wokulinganisa ubude njll. ukuqinisekisa ukuthi ukuhlolwa kokugcina kwenziwa ngokunembile nangokuphelele.