機器
air
bar
barometer
button
clock
colorful
cyan
energy
factory
fuel
gas
gauge
green
hydraulic
industrial
industry
instrument
machinery
magenta
manometer
measurement
meter
metering
object
oil
old
part
pascal
power
pressure
psi
pump
red
rust
rusty
science
stress
tap
tire
tool
vacuum
valve
vintage
violet
water
wheel
white
yellow