Na mmepụta ụlọ ọrụ ọgbara ọhụrụ, ibuli elu bụ akụkụ dị mkpa. Na akwa cranes, karịsịaokpukpu abụọ n'elu crane, aghọwo akụrụngwa kachasị amasị maka ibuli ibu n'ọtụtụ ụlọ ọrụ. Mgbe ị na-ajụ maka ọnụ ahịa kreenu eriri okpukpu abụọ, ọ dị mkpa ịtụle ọ bụghị naanị ọnụ ahịa mbụ kamakwa mmefu mmezi na-aga n'ihu.
Ike ibu siri ike:Igwe ihe n'úkwù okpukpu abụọ n'elu kreenu, nke nwere nhazi ya nke isi ọkụ abụọ, nwere ikike ibu dị ike karịa otu cranes akwa akwa. N'oge a na-ebuli elu dị arọ, ihe nhazi okpukpu abụọ nwere ike ịgbasa ibu ahụ nke ọma, belata nrụgide nke otu isi ọkụ, ma hụ na nkwụsi ike na nchekwa nke crane.
Oke arụ ọrụ sara mbara:Igwe ihe n'úkwù okpukpu abụọ n'elu kreenunwere ohere buru ibu ma nwee ike kpuchie ọtụtụ ọrụ. Maka nnukwu ụlọ ọrụ ma ọ bụ oge nwere nnukwu oge, ọ nwere ike izute mkpa mmepụta ma melite arụmọrụ arụmọrụ.
Ọsọ ọsọ ọsọ:Kreenụ akwa mmiri okpukpu abụọnwere ọsọ ọsọ na-agba ọsọ dịtụ ngwa ngwa, nke na-enyere aka melite mmepụta mmepụta ihe. N'oge usoro ibuli elu, ọsọ na-agba ọsọ ngwa ngwa nwere ike imeziwanye arụmọrụ arụ ọrụ, belata usoro mmepụta ma belata ụgwọ ọrụ.
Ọnụ ego mmezi dị ala: Ọ na-anabata nhazi modular, nhazi dị mfe na nhazi dị mfe. E jiri ya tụnyere ụdị cranes ndị ọzọ, ọ nwere obere ọdịda ọdịda yana ọnụ ahịa mmezi dị ala.
Ọrụ nchekwa dị elu:Kreenụ akwa mmiri okpukpu abụọna-eche nche n'echiche zuru oke na nhazi ya ma kwadebere ya na ngwaọrụ nchekwa dị iche iche, dị ka ihe mgbochi, ngwaọrụ ntinye, bọtịnụ nkwụsị mberede, wdg, iji hụ na nchekwa nke ọrụ ibuli elu.
Mgbe ị na-azụta kreenu, ndị ọrụ kwesịrị ịhọrọ kreenụ akwa akwa abụọ kwesịrị ekwesị dị ka mkpa mmepụta na mmefu ego siri dị iji melite arụmọrụ mmepụta yana hụ na nchekwa ọrụ. Iji nweta nkọwa ziri ezi makaọnụ ahịa kreenu okpukpu abụọ n'elu ọnụ, ọ kacha mma ịkpọtụrụ onye nrụpụta ozugbo na nkọwa gbasara ihe ị chọrọ.
