: ȭǺ ٴ ξ
fjrigjwwe9r3edt_lecture:conts
fjrigjwwe9r3edt_lecture:conts
?

κ ȭ ⸦ ø ̴. ̱ NSF(National Sanitation Foundation) ȭǺ 츮 غϴ ξ ׸ư Ѵٴ Դ.

ֹ



NSF 18% ߵ ϴ ϰ ִٰ . ̱ ڻ Lisa Ackerley ڻ ⺸ 200 Ǿ , װ Ĵ´ٰ ؼ ʴ´ٰ Դ. Ư ֱ ߴ öƽ ϰ ϱ , ̴ ûϱ Ʊ ̴. ̿ üϰ, ä ؼ ߴ.

ı⸦ ֹǰ

츮 Դ ı⸦ ô ϴ ֹ . NSF ̷ ֹ 75% ̻󿡼 ڶհ Դٰ . Ѱ ϰ ־ ׸ư ϱ ȯ DZ ̴.

2017 ̱ ξ ׸ 362 ߰, 82 ׸ ߰ߴ. ̿ ǰ ϰ,  Ͽ ü ߴ.

ż ִ

İ ϰ ð ϰ , ûҸ Ȧ ϴ ִ. ٷ . NSF , ĭ ä ĭ ڶ 36%, ׸Ʊ 14% ߰ߵǾ. ̿ NSF Ϸ翡 ݱ  ̶ ߴ. ׷ ݵ ֱ ûϰ, ǰ̳ ʵ ߴ.

ó: ǰ ñ , ̴ (www.hidoc.co.kr)
: ־ źź ̡ ڼ
: dz, ؾ ?