현재 국내에서 코로�?바이러스 방역�?위해 팔리�?마스크들은 아래 종류들입니다. If a grammatical basic principle that is definitely extra to 서툴�?is really a vowel �?and there is no other alternative aside from a vowel �?then that grammatical basic principle can not be additional to 서툴�? �