● Inwe ngwa ngwa dị iche iche, enwere ike iji ya mee ihe dị iche iche nke mkpakọ mkpofu kwụ ọtọ na ebe a na-ebufe ya;
● Mwepu ebuli okpukpu abụọ - cylinder etiti akụkụ na-arụ ọrụ nke ọma na nke kwụsiri ike;
● Enwere ike iji usoro nchịkwa na-arụ ọrụ na pneumatically na aka ya, ya mere, onye ọrụ na-arụ ọrụ na-arụ ọrụ niile na-arụ ọrụ na-arụ ọrụ na ụgbọ ala;
● Akụkụ nke mechiri emechi nke ọma, nke nwere eriri mkpuchi roba na-enye na nkwonkwo n'etiti mkpuchi azụ na ahụ igbe, na-achọpụta njem mkpofu zuru oke;
● mmeghe na mmechi nke mkpuchi azụ na igbe igbe bụ hydraulic, na-agba ọsọ ọsọ;
● Ngwa hydraulic ejiri rụọ ọrụ bụ akara ama ama nke mba nwere ezigbo mma.
