Ubwato bwa jib crane nigice cyibikoresho byingenzi mu nganda zo mu nyanja, zagenewe guterura, kumanura no gushyira imitwaro iremereye mu bwato, ubwato na marine. Ni ingirakamaro cyane mu gupakira no gupakurura imizigo, gukoresha moteri yubwato, no gufasha mubikorwa byo kubungabunga. Ni ...
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