Ngwaah?a a nwere ihe mkpuchi hydraulic ab??, nke ? b?la na-ar? ?r? d? mkpa na nke p?r? iche. Otu cylinder ka etinyere nke ?ma n'okpuru ogwe aka nke gwuputa ihe. ? b?gh? naan? na ? na-enye nkwado d? mkpa kamakwa ? na-ar?kwa ?r? d? ka onye na-agba ?s?, na-ebuli uru igwe ar? ?r? n'oge ar? ?r?.

A na-etinye cylinder nke ab?? na isi nke mgb?r?gw? mgb?r?gw?. Ike hydraulic na-akwali cylinder a ka ? gbat?a ma laghachi az?. Emebere omume a ka ? gbasaa mgb?r?gw? osisi, nke ?ma na-ebelata nguzogide a na-enwe n'oge usoro nkewa na wep? mgb?r?gw? osisi, si otú a na-emezi mgb?r?gw? - ?r? mwep?.

Nyere na ngwaah?a a na-eji otu usoro hydraulic d? ka hama hydraulic, cylinder ah? d? n'okpuru ogwe aka nwere ihe p?r? iche ch?r?. ? ghagh? ?d?r? mman? hydraulic site na cylinder ogwe aka. Site n'ime nke a, ? nwere ike mek?r?ta nd?t? ya na nd?ghachi az? ya na nke cylinder b?ket. Mmek?r?ta a b? isi ihe na-eme ka ? d? elu - ar?m?r? na elu-ar? ?r? ?s? ?s?, na-eme ka ak?r?ngwa r?? ?r? mgb?r?gw? - ?r? mwep? na oke nr?p?ta.