Usoro nkedo anwụ

Ụlọ na-ekpo ọkụ na-anwụ anwụ nkedo, mgbe ụfọdụ a na-akpọ gooseneck die casting, bụ igwe a wụrụ awụ, mmiri mmiri, nke nwere ọkara mmiri mmiri n'ime ọdọ mmiri ígwè nke na-ejupụta ebu n'okpuru nrụgide. Ná mmalite nke okirikiri ahụ, piston nke igwe ahụ dị na nkwekọrịta nkwekọrịta, ebe ọ bụ na ígwè a wụrụ awụ nwere ike jupụta n'olu ọgazị. Nrụgide ikuku ma ọ bụ piston hydraulic na-amanye igwe ahụ wee jupụta n'ime ihe. Uru nke usoro a gụnyere ọsọ ọsọ ọsọ (ihe dị ka cycles 15 kwa nkeji), akpaaka dị mfe, na ike ịgbaze ígwè.