Ejiri ya nke ọma maka idozi bọtịnụ nko & eriri pụrụ iche na akpụkpọ ụkwụ ugwu, akpụkpọ ụkwụ mgbatị ahụ na akpụkpọ ụkwụ mkpuchi ọrụ, wdg.
1. Igwe nwere moto servo, nchekwa gburugburu ebe obibi dị jụụ, arụmọrụ kwụsiri ike.
2.Automatic nri ma nko bọtịnụ akụkụ na ala washer.
3. Ndị na-arụ ọrụ adịghị mkpa iji aka ha tinye nko tupu ha edozi ha.
4. The akpaka nri na riveting nke ma nko bọtịnụ akụkụ na ala washer na-eme ka nchekwa na elu ọrụ arụmọrụ.