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
압력가마는 고온에서 물체를 처리하는 데 사용됩니다.apnyeokgama-neun goon-eseo mulche-reul chulihaneun de sayongdoemnida.The autoclave is used to process objects at high temperatures.