Ngwaah?a

A na-eji dock leveler na-ebu na ibutu ?d? ?gb? mmiri, iji dozie ?d?iche d? elu d? n'etiti gwongworo na ikpo okwu, iji nweta ngwa ngwa na nbudata. N'?b? nke usoro hydraulic na-ebughar?, elu ikpo okwu na-ebili elu ruo ebe kachas? elu, mgbe ah? efere egbugbere ?n? na-at?ghar? ozugbo ma ? b? gbasaa. N'elu ikpo okwu wee jiri nway?? nway?? daa ruo mgbe ? dakwas?r? n'elu mbadamba ihe, ma gw?chaa n'apata.