機器
auto
automobile
background
car
carwash
clean
cleaner
clear
detergent
dirt
dirty
engineering
equipment
foam
garage
glass
hand
job
light
man
morning
power
pressure
rays
rays of light
safety
service
shine
soap
sponge
spray
sun
sun rays
sunlight
sunshine
technology
tool
transport
transportation
vehicle
wash
washer
water
wet
work
worker