레플 No Further a Mystery
출처 : 한국산업보건학회지(반도체 웨이퍼 제조공정 클린룸 구조, 공기조화 및 오염제어시스템), 시대에듀 유튜브We use possessive 's to mention that a little something or another person belongs to someone, is connected to a location, or to indicate the relationship between people today. The possessive 's const