I.Intangiriro y'ibicuruzwa:
Igicuruzwa kigizwe na sample sade hamwe nibisobanuro icumi bitandukanye bya plate center, bikwiranye na (0.1 ~ 0. 0.5 Byakoreshejwe cyane mumpapuro, gupakira no kugenzura ibicuruzwa nubugenzuzi ninganda zigenzura. Nibikoresho bidasanzwe byo kugerageza imbaraga zimpeta zimpapuro namakarito.
u no.1 0.100-0.140 mm
U No.2 0.141-0.170 mm
U No.3 0.171-0.200 mm
U No.201-0.20 mm
U No.5 0.231-0.28 mm
U No.281-0.320 mm
u No.7 0.321-0.370 mm
u No.8 0.371-0.420 mm
U No.9 0.421-0.500 mm
U no.10 0.501-0.580 mm