I-Gantry cranes iyithuluzi elibalulekile nelibalulekile elisetshenziswa ezimbonini ezihlukahlukene, kuhlanganise nezokwakha, izimayini, nezokuthutha. Lawa ma-cranes asetshenziswa kakhulu ukuphakamisa imithwalo esindayo ebangeni elikhulu, futhi ukwakheka kwawo kudlala indima ebalulekile...
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