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
전기가 새는 것을 방지하기 위해 차단기를 설치해야 합니다.jeongiga saeneun geoseul bangjihagi wihae chadan-gi-reul seolchihaya hamnida.You need to install a circuit breaker to prevent electricity from leaking.