英文關鍵字
aerial
barrel
bowser
business
cargo
carriage
container
delivery
depot
drone
energy
engine
equipment
factory
freight
haul
heavy
industrial
industry
iron
landscape
liquid
locomotive
logistic
machine
oil
overpass
petrol
petroleum
rail
railroad
railway
ship
shipping
steel
storage
sunset
supply
tank
tanker
track
train
transport
transportation
vehicle
wagon