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
이 반폭선도를 사용하여 배의 설계를 시작했습니다.i banpokseondeul-eul sayonghayeo bae-ui seolgye-reul sijakhaessseubnida.I started the design of the ship using this halfbreadth plan.