송풍기

Blower, Air Blower, Fan

송화구

Mouth Piece

쇄빙기

Ice Crusher

쇄빙선

Ice Breaker

쇄암선

Rock Cutter

쇄암용 중추

Rock Breaking Weight

쇠모(마모)

Wear and Tear

쇠지레

Crowbar

쇼트스테이

Short Stay

수관보일러

Water Tube Boiler, Tubulous Boiler