Mpempe mmanụ hydraulic zuru ezu na-akpaghị aka bụ obere mmanụ mmanụ nke kachasị adaba na arụ ọrụ, nrụpụta mkpụrụ kacha elu, yana obere akụkụ mapụtara.Naanị otu igwe na-ebipụta mmanụ hydraulic, ị nwere ike nweta mmanụ ka mma yana mfe ịrụ ọrụ.