중유기관

heavy Oil Engine

중추윈치

Drop Chisel Winch

중추탑

Chisel Suspension Tower

쥐막이

Rat Guard

쥐잡이

Diratization

증기

Vapour, Steam

증기기관

Steam Engine

증기기적

Steam Whistle

증기난방기

Steam Heater

증기미터

Steam Meter