Duban Kafin Aiki Kafin yin aiki da crane jib na hannu, gudanar da cikakken bincike kafin a fara aiki. Bincika hannun jib, ginshiƙi, gindi, ɗagawa, da trolley don kowane alamun lalacewa, lalacewa, ko ƙulle-ƙulle. Tabbatar cewa ƙafafun ko simintin suna cikin yanayi mai kyau da birki...
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