왼쪽: 금속 금 金, 오른쪽: 동쪽 동 東 Left: metal 金, right: east 東
니모닉
금속은 동쪽에서 반죽, 다듬거나 단조하는 등 '훈련'(=練)한다. (The steel of Japanese swords [= from the East 東] is refined by folding). This metal is trained (=練) in the east when refined or by kneading (i.e. forging.)
