Nyocha tupu arụ ọrụ Tupu ịrụ ọrụ crane jib mkpanaka, mee nyocha nke ọma tupu arụ ọrụ. Lelee aka jib, ogidi, base, hoist, na trolley maka akara ọ bụla nke eyi, mmebi ma ọ bụ bolts rụrụ arụ. Gbaa mbọ hụ na wiil ma ọ bụ ihe nkedo dị mma na breeki...
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