Anyị kwadebere ngwa nyocha zuru oke maka ụdị ngwa ngwa cylindrical dị ka hexagon, Zeiss 0.9mm, Kinberg CMM, Klingberg CMM, Klingberg P100/p65/p26 GEAR MEASURING CENTER, Gleason 1500GMM, Onye Ọkachamara Gerroughness , Projector , Ogologo ihe eji atụle ihe wdg , Klingberg
Tupu mbupu ọ bụla, anyị ga-enye ndị ahịa n'okpuru akụkọ ndị a ka ịlele nkọwa iji jide n'aka na a ghọtara ihe niile doro anya ma dị mma iji ụgbọ mmiri.
1) Ihe osise afụ
2)Dakụkọ ifo
3)Hrie ọgwụgwọ akụkọ tupu ọgwụgwọ okpomọkụ
4)Heri ọgwụgwọ akụkọ mgbe okpomọkụ ọgwụgwọ
5)Makụkọ ihe mere eme
6)Aakụkọ ziri ezi
7)Pictures na vidiyo ule niile dị ka runout, Cylindricity wdg
8) Akụkọ nnwale ndị ọzọ kwa ihe ndị ahịa chọrọ dị ka akụkọ nchọpụta ntụpọ