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
비상지변이 발생했을 때, 즉시 대피해야 합니다.bisangjibyeoni balseonghaess-eul ttae, jeugsi daepihaeya hamnida.In case of an emergency situation, you must evacuate immediately.