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
대기전력은 전자기기가 꺼져 있을 때도 소비되는 전력입니다.daegijeollyeogeun jeonjagigiga kkeojyeo isseul ttaedo sobidoeneun jeollyeogimnida.Standby power is the energy consumed by electronic devices even when they are turned off.