Hand Shield, Face Shield

용접헬멧

Hydraulic Jack Unit

유랍잭유닛

Hydraulic Power Unit

유압파워유닛

Hydridynamics

유체역학

Hot Shortness, Red (Heat) Shortness

적열취성

Hammer Spark Ignition, Make and Brank Ignition

전기점화

Heating Surface

전열면

Hard Starboard

전타우회전

Hard Port

전타좌회전

Hydrostatic Pressure

정수압