Ibicuruzwa：
Zinc isize imirongo ihumye bivuga inzira yo guteranya urwego ruto rw'ibindi byuma cyangwa ibishishwa hejuru yumurongo uhumye.Filime ikingira icyuma ifatanye hejuru ya pop rivet kugirango irinde ubuso bwa pop rivet kutoroha kwangirika no kunoza imyambarire, imiyoboro y'amashanyarazi, kwerekana urumuri, isura nziza nibindi bisa.
