Iikhreyini zeGantry zisisixhobo esibalulekileyo nesixabisekileyo esisetyenziswa kumashishini ahlukeneyo, kubandakanywa ukwakhiwa, imigodi, kunye nokuthutha. Ezi cranes zisetyenziswa kakhulu ukuphakamisa imithwalo enzima kumgama obalulekileyo, kwaye ukwakheka kwazo kudlala indima ebalulekileyo...
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