dz ż ΰ ȭ . ǥ ʰڴٴ ̴.
鼭 ϰ ֽľ絵ҵ Ȯ뿡 ǰŷ ؾ Ѵٴ 嵵 ϰ , ƴ϶ ϴ ġ ʿ䰡 ִ١ ǰŷ Ÿ Ҿ ϴ ְ ܱ ֽ Ÿſ ϴ 鵵 ִ١ ߴ.
25 δ ȭ ⡯ ǥߴ. 0.25% ǰŷ 0.15% ϰ, 2000 ̻ ֽľ絵ҵ漼 ű ڴ. ( 10 ̻ Ǵ 1% ̻ ) ߴ ֽľ絵 ΰ Ҿڷ ̾. 20~25% ̸ ֽľ絵 ϸ鼭 ǰŷ (0.1%Ʈ) ٸ ڴ ũ ݹϴ ̴.
ֽ ÿ ϰ ־ ̴. ֽĿ ϴ ְ ƴϸ 絵 ʿ䰡 . ݸ ؿ ֽĿ ϸ , Ҿ 250 Ѵ Ϳ 20% 絵 Ű. ̰ ֱ ( ֽ 2000, ؿ ֽ 250) 絵 鿡 ֽİ ؿ ֽ ǻ .
ݵ嵵 . ֽ ݵ ҵ ܵ ִ. ؿ ݵ常 ̴. ̹ ؿ ֽ ݵ ڼҵ 20% Ű. ؿ ֽ ݵ ǻ ȴ. ڿ .
ֽ ݵ ڴ ҵ 2000 ̹ ձҵ ̾, ڼҵ з κ ١ ߴ. ڿ ݵ ڴ 翡 Źϴ ٺ ٸ. ؼ ϳġ ݹߴ.
м ؿ ڡ ̵ ݹ ʿ Ը д. Ҿֿ ֽľ絵 ΰ ̱ 15~20%, Ϻ 20%, 10~20% 25%, 30% ֿ䱹 ں̵ ء̶ ֽ ڿ ϶Ų١ мߴ. 鼭 ؿ ֽ ŷ ǻ簡 ū ڴ١ ߴ.
ġǵ Ҿ ݹ߿ ָϰ ִ. ȿ ûȸ(7) ռ յ ȸ ϸ и ̴. Ҿִ ǥ 25 ġ ̳ . ߴ ̷մ翡 ߰ȣ ǿ ְ 2 ٶ ڼ ⡯ ȸ . ǰŷ ܰ ֽľ絵ҵ漼 ȭ ڿ ߰ ϰ ִ. ȸ ٲ ɼ ʴ