Indandatho ephezulu kanye nendandatho ephezulu yokugcina yenziwa ngensimbi ephezulu, engafakwanga ngokukhethekile ukuze kuqinisekiswe ukujikeleza nobushelelezi
ISIQINISEKISO SOMkhiqizo
I ring engenhla futhi elingenhla emvula indandatho zakhiwe eliphezulu insimbi engagqwali, okuyinto ngomshini ngokukhethekile ukuqinisekisa roundness futhi flatness
ISLIVER SINGABONISA IMINININGWANE
I-SLIVER I-Colour-PALETTE