용접헬멧

Hand Shield, Face Shield

용착금속

Deposited Metal, Weld Metal

용착효율

Deposition Efficiency

용해아세틸렌

Desolved Acetylene

우편기

Mail Flag

우편선

Mail Steamer, Mail Boat

우현

Starboard

우현등

Green Light

우현큰닻

Syarboard Bower Anchor, Best Bower

우회전프로펠러

Right Handed Propeller