Konke ukukhiqizwa kwenziwa endlini kusukela ekufosheni kuya ekugcineni .Ukuhlolwa kwenqubo kufanele kwenziwe phakathi nayo yonke inqubo futhi kwenziwe amarekhodi .
Ukuhlola : Sihlome ngemishini yokuhlola ethuthukisiwe efana nomshini wokulinganisa we-Brown & Sharpe ohlanganisa izingxenye ezintathu, isikhungo sokulinganisa i-Colin Begg P100/P65/P26, ithuluzi le-German Marl cylindricity, isihloli sokuqina saseJapan, i-Optical Profiler, iprojektha, umshini wokulinganisa ubude njll. ukuhlolwa kokugcina ngokunembile nangokuphelele .