Ukuphonswa ngokunemba kuqinisekisa ukunemba okuphezulu okunciphisa ingozi yokwehluleka ngaphansi kokucindezeleka nokuthuthukisa ukuthembeka kohlelo lonke. Ukusetshenziswa kwalobu buchwepheshe kuvumela amajiyometri ayinkimbinkimbi izindlela zokukhiqiza zendabuko ezingase zibe nzima ukuwafinyelela. Njengoba imboni yamandla omoya iqhubeka nokukhula, indima yomthwali weplanethi iba yinto ebaluleke kakhulu, inikela ekuguqulweni kwamandla okuphumelelayo kanye nokusimama okukhulu kwezixazululo zamandla avuselelekayo.
Sihlome ngemishini yokuhlola ethuthukisiwe njengomshini wokulinganisa we-Brown & Sharpe onezikhonkwane ezintathu, isikhungo sokulinganisa se-Colin Begg P100/P65/P26, i-German Marl cylindricity instrument, i-Japan roughness tester, i-Optical Profiler, i-projector, umshini wokulinganisa ubude njll. ukuqinisekisa ukuthi ukuhlolwa kokugcina kwenziwa ngokunembile nangokuphelele.