Ọ na-adabara ma na mmalite ma ọ bụ n'etiti eriri. Ihe eji egbutu ihe mejupụtara ya bụ aka, serrated gripper, agụba okpukpu abụọ na ngalaba eccentric (ọnọdụ anọ enwere ike idozi maka eriri nwere oke dị iche iche). Mpekere ndị ọzọ a na-agbakwunye dị maka eriri eriri anya ọkọlọtọ na eriri nwere obere dayameta.
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• Nchekwa ma dị mfe iji rụọ ọrụ
• Ugboro abụọ mere site na nchara pụrụ iche siri ike
• Nkọ na inogide
• Dept nwere ike imeghari slitting