機器
aged
ancient
antique
background
bolt
brass
broken
classic
color
control
copper
corrode
corrosion
detail
dirty
drop
equipment
faucet
grunge
industrial
industry
iron
knobs
leaking
metal
object
old
pipe
plumbing
red
retro
rust
rusted
rusty
screw
set
steam
steel
stop
supply
tap
thirst
tube
turn
valve
vintage
waste
water
white