 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 naka na ihe niile igwe na nke zuru okè arụmọrụ tupu nnyefe. 