Biko ekwela ka ọkwa mmanụ gafere akara edo edo, ego mmanụ agaghị achịkwa.

Mgbe nrụgide tank mmanụ dị na mpaghara akwụkwọ ndụ akwụkwọ ndụ nke gage nrụgide, mmetụta spraying oiler kacha mma.

Ọnụ ọgụgụ ojiji nke nozzles mmanụ ekwesịghị ịbụ ihe na-erughị pcs 12.

Biko ejikwala mmanu mmanu mmanu di iche iche,mmanu synthetic na mineral nwere ike imekorita ibe ha.

Biko na-ehicha ihe nzacha mmanụ, na unyi mmanụ dị n'okpuru onye na-agba mmanụ mgbe niile.