機器
abstract
auto
automobile
background
business
car
closeup
color
copy
detail
device
diesel
economy
energy
engine
equipment
fill
fuel
gas
gasoline
green
gun
hose
industrial
industry
lpg
motor
nobody
nozzle
octane
oil
petrol
petroleum
pistol
pollution
power
pump
quality
refill
refuel
refueling
service
station
tank
transportation
vehicle
yellow