機器
activity
architecture
between
brush
bucket
building
care
city
clean
cleaner
concept
construction
contrast
dirt
equipment
exterior
facade
front
hanging
high
home
industry
jet
old
physical
plaster
pressure
process
professional
protective
renovated
renovation
repairing
residential
restoration
restored
scaffolding
splash
steam
stone
stones
versus
view
wall
washer
washing
water
window
work