Uru ngwaahịa
1. Ọ bụ onye nrụpụta nwere ahụmịhe ma rụọ ọrụ nke ọma
2. Nhazi mara mma na ọrụ nka dị mma
3. Elu mma nwere akara plastik ọnụahịa mara mma
4. E ji laser dee akara mkpuchi bolt ahụ, yabụ enweghị ike iwepụ ma ọ bụ dochie akara ahụ ngwa ngwa.
atụmatụ
1. akara mkpuchi nchekwa ala ahụ nwere H, nchekwa dị elu
2. mkpọchi mkpọchi ígwè Carbon / Galvanized, nke e gosipụtara na mgbochi rotary, mee ka mkpọchi ahụ kwụsie ike
3. Pịa iji kpọchie onwe gị, usoro dị mfe
