Ukuhlolwa kokulingisa kwemvelo kuyindlela ebalulekile yokuqinisekisa ikhwalithi nokuthembeka kwezimpahla ezibalulekile kanye namathuluzi. Imishini yokuhlola imvelo ye-AEROSPACE INDUSTRY ifaka izinga lokushisa eliphezulu, izinga lokushisa eliphansi, ukushisa okumanzi, ukudlidliza, ukuphakama okuphezulu, isifutho sikasawoti, ukushaqeka komshini, izinga lokushisa...
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