https://padlet.com/2017000044/u3zhw6r60xq2rkt2 회한 없이 만듦 en-us 2021-04-01 02:29:13 UTC 2021-04-01 02:56:49 UTC hello@padlet.com 2017000044 https://padlet.com/2017000044/u3zhw6r60xq2rkt2/wish/1374049215 금속의 종류]]> 2021-04-01 02:33:19 UTC https://padlet.com/2017000044/u3zhw6r60xq2rkt2/wish/1374049215 2017000044 https://padlet.com/2017000044/u3zhw6r60xq2rkt2/wish/1374063314 구리, 금, 은, 니켈, 스테인레스]]> 2021-04-01 02:39:51 UTC https://padlet.com/2017000044/u3zhw6r60xq2rkt2/wish/1374063314 2017000044 https://padlet.com/2017000044/u3zhw6r60xq2rkt2/wish/1374065835 우리 생활에 쓰이는 금속]]> 2021-04-01 02:40:59 UTC https://padlet.com/2017000044/u3zhw6r60xq2rkt2/wish/1374065835 2017000044 https://padlet.com/2017000044/u3zhw6r60xq2rkt2/wish/1374067792 철:여러가지 모양으로 물건을 만들수 있다.
단점:쉽게 녹쓴다.]]> 2021-04-01 02:41:55 UTC https://padlet.com/2017000044/u3zhw6r60xq2rkt2/wish/1374067792 2017000044 https://padlet.com/2017000044/u3zhw6r60xq2rkt2/wish/1374076608 스테인레스:단단하여 요리용 그릇을 만든다.]]> 2021-04-01 02:45:53 UTC https://padlet.com/2017000044/u3zhw6r60xq2rkt2/wish/1374076608 2017000044 https://padlet.com/2017000044/u3zhw6r60xq2rkt2/wish/1374081425 알루미늄:무게가 가벼운 알루미늄은 파이프로 쓰이기도 한다.]]> 2021-04-01 02:48:06 UTC https://padlet.com/2017000044/u3zhw6r60xq2rkt2/wish/1374081425