Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
광중합은 UV 빛을 사용하여 폴리머를 생성하는 과정입니다.gwangjunghabeun UV bicheul sayonghayeo pollimeoreul saengsanghaneun gwajeongimnida.Photopolymerization is the process of generating polymers using UV light.