Advanced ule akụrụngwa: Anyị mbubata UK RENISHAW ika laser interferometer / USA ndú ika ahazi ji atụ igwe / UK RENISHAW ika ballbar usoro, nke Laser autocollimator / Optical ihu Finder pịa nlele, Ịkpọ oku egosi / square igbe / marble square igbe na-eme mkpuchi eguzogide ederede / ala-eguzogide ule / mgbali ule, iji jide n'aka na ihe niile igwe na nke zuru okè arụmọrụ tupu nnyefe.
