Ukuhlola Ngaphambi Kokusebenza Ngaphambi kokusebenzisa i-jib crane ephathwayo, yenza ukuhlolwa okuphelele kwangaphambi kokusebenza. Hlola ingalo ye-jib, insika, isisekelo, i-hoist, netroli ukuze uthole noma yiziphi izimpawu zokuguga, zokulimala, noma amabhawodi axegayo. Qinisekisa ukuthi amasondo noma ama-caster asesimweni esihle futhi namabhuleki...
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