선상가열법

Line Heating

선상조직

Ice-flower Like Structure

선상통신장치

On-board Communication Equipment

선속계

Speed Log

선수

Bow, Stem

선수격벽

Collision Bulkhead, Forepeak Bulkhead

선수구조도

Bow Construction Profile

선수기

Jack

선수깃대

Jack Staff

선수닻

Bow Anchor