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
무대장치인은 공연을 준비하는 데 중요한 역할을 합니다.mudaejangchiin-eun gongyeon-eul junbihaneun de jungyohan yeoghal-eul hamnida.The stage technician plays an important role in preparing the performance.