참풍속

True Wind Velocity

참풍향

True Wind Direction

창구검사

Hatch Survey

창구격자

Hatch Grating

창구구멍

Hatch Opening, Hatch Way, Hatch

창구끝연재

Hatch End Coaming, Head Ledge

창구단보

Hatch End Beam

창구덮개

Hatch Cover

창구덮개판받침

Hatch Rest

창구변형

Deformation of Cargo Hatch