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
발효병은 발효 과정에서 발생할 수 있는 문제입니다.balhyeobyeongeun balhyeo gwajeongeseo balseonghal su itneun munjeimnida.Fermentation disease is a problem that can occur during the fermentation process.