[] ( Ӻ) KEBϳ(ο Ǽ), ſ뺸( ȫõ) 16 û ٽ濡 3 ǥڰ һ ຸ KEBϳſ뺸 Ưڱ üߴ.
̳ μ7 Ӻ Ȱȭ һ Ȯ ȯ Ǿ. ÿ KEBϳ 2 Ưڱ ϰ ſ뺸 10 40 ⺸ ߱ϴ ֿ Ѵ.
̹ ü 簢뿡 ִ ſ һο ⺸ ݸ åڱ ϰ, 0.5~2.5% ߰ ν, ް ִ ұԸ(10 ̸) ڿ ڱݳ ؼҿ ũ δ.
̳ Ӻ ̹ KEBϳ Ưڱ ġϿ 2 ȿ ŵξ 㺸 ϰ ڱ һε鿡 3% ݸ åڱ ν ü Ȱȭ ұԸ 濵ȯ Ѵ ߴ. ƿ ε ̿ ȸ , Ȯ ڴ .