(1) Ọdịdị Anyị nwere ike ikpebi nsogbu ụfọdụ dị mma site na nlele anya, dị ka ma enwere mmanụ, agba agba, akara akara, eriri, ntụpọ linear, ntụpọ ntụpọ, akwa akwa akwa, wdg n'elu akwa nhicha ahụ.(2) Nri edoziri akwa nhicha ọ bụla ga-adị n'akụkụ, ụfọdụ nwere ultrasonic trimming...
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