ұ ٷ ؼϰ, ɰ ȸ νĵǴ ذ, ü ұ Ȱȭ ϰ ð ߴ.
( ڿ) ó 2 ̻ ұ ġ ǹ Ժ 60% 10~20% Ű ߴٰ 31 .
ұ ġ ٷκ ǹ Ժ 40% 80~90% ϰ ұ ǹ Ժ 40% 10~20% δߴ.
̿ 2 ̻ ұ ϴ ұ ҽþ ٷκ ִѵ 6 ǹԺ 40%, 80% Ѵ.
G븮ó ұ ϴ ִѵ 15 ǹԺ 40%, 90% Ѵ. ð Ѵ.
ô ̳ û ڿ ٷκ, ұ߾ȸ ڵ 'ұ 庸ü ġ ' üߴ.
̹ ġ ұ ȸ ϴ ұ ű ߱ ȫ ϰ, Ȯ Ը ǹǵ ȹ̴.
ô ̹ ϴ ұ ġ ð ռ ȿ ̶ ߴ.