Ikheji yezilwane ezifuywayo ngokuvamile yenziwe ngensimbi yensimbi yekhwalithi ephezulu, intambo yensimbi enekhabhoni ephansi, insimbi engagqwali yokushisela, ebonakala ngokuhle, okungasindi, ukugoqa, nokubekeka kalula.Ukwelashwa okungaphezulu kwekheji yezilwane ezifuywayo ngokuvamile kufana nalokhu: ama-galvanized abandayo, ama-galvanized ashisayo, isifutho, idiphu, i-chromium plating, i-nike ...
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