ѱȸ ã ȫ Ȱ ٰ 20 .
ã Һ ȸ ȸ ŷڼ Գ Ȯ Ǽ Ű ŷȸ (, ѱ) 뱹 .
Һڴ ã ҽ Һΰŷ( ȸ) 繫 , ڽ Ȯ ִ. ȸ簡 ̳ ÿ Աݾ 100% ߰ δ ̿ ִ ״Ρ ִ.
ѱȸ ڴ ã Һ ټ ̱ ȫ ÷ ȸ Ҽ ȸ ֿ ʽ忡 ϸ鼭 ȫ Ȱ ߴ١ ߴ.