I-single girder gantry crane iwuhlobo lwe-crane equkethe ibhande lebhuloho elilodwa elisekelwa imilenze yozimele ongu-A emibili nhlangothi zombili.Ivamise ukusetshenziselwa ukuphakamisa nokuhambisa imithwalo esindayo ezindaweni ezingaphandle, njengamayadi emikhumbi, izindawo zokwakha, izindawo zokugcina izimpahla, nendawo yokukhiqiza...
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