VNEN
ngũ kim 
five metals (gold, silver, copper, iron and tin) [ ngũ ] : five
[ kim ] : needle, pin; metal, gold, hand (on a watch)
ngũ kim --- ngũ kim 五金
五金 ngũ kim ngũ kim ngũ kim five metals (gold, silver, copper, iron and tin) 
ngũ kim; kim khí