英文關鍵字
action
actionn
axle
black
box
cart
circle
classic
cylinder
detail
dirty
drive
engine
frame
gear
historical
industrial
industry
iron
locomotive
machine
mechanical
metal
motion
moving
old
pattern
rail
railroad
railway
red
retro
rod
rust
rusty
service
smoke
steam
steel
stock
texture
track
train
transport
transportation
under
vintage
wheel
white