機器
ancient
blowing
engine
equipment
forest
gage
gauge
green
historical
history
industrial
industry
iron
line
locomotive
metal
move
moving
museum
narrow
narrowgaged
narrowgauged
old
park
platform
rail
railing
railroad
railway
road
semaphore
signal
smoke
smokestack
stack
station
steam
steamengine
steel
summer
track
tracking
traffic
train
transport
transportation
travel
urban
vehicle
whistle