機器
ancient
antique
auto
automobile
benzine
business
classic
closeup
costs
detail
economy
employee
energy
engine
equipment
fossil
fuel
fueling
gas
gasoline
hands
idea
jet
laborer
landing
natural
nozzle
object
oil
old
petrol
power
pump
red
refuel
replenish
resources
retro
service
source
station
tank
transport
transportation
travel
turbine
vehicle
vintage
wing