Observe that The key reason why this rule is set up is due to the fact persons wouldn’t know which variety to incorporate �?one that corresponds to guidelines of 가지�?or one that corresponds to regulations 갖다. - 숨쉬기가 힘들다면 밸기 마스크로 바꿔보세�? 동급�?제품이면 보통 밸기가 달린 제품�