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
배의 물가름이 잘 되어야 안전하게 항해할 수 있다.baeui mulgareumi jal doeeoya anjeonhage hanghaehal su itda.The cutwater of the ship must be well designed for safe navigation.