Myọcha Mmanụ
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Mmanụ ECO nke ụgbọala na-enye nzacha mmanụ
Ihe nzacha mmanụ bụ ihe nzacha e mere iji wepụ ihe ndị na-emerụ emerụ na mmanụ injin, mmanụ nnyefe, mmanụ na-ete mmanụ, ma ọ bụ mmanụ hydraulic. Naanị mmanụ dị ọcha nwere ike ime ka arụmọrụ injin ahụ ka mma. Dịka ihe nzacha mmanụ, ihe nzacha mmanụ nwere ike ime ka arụmọrụ injin dịkwuo mma ma belata oriri mmanụ.
