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
전열이 잘 되지 않으면 기계가 고장날 수 있습니다.jeonyeoli jal doeji anheumyeon gigeoga gojangnal su itsseumnida.If the heat transfer is not efficient, the machine may break down.