機器
boiler
control
device
dial
empty
energy
equipment
fire
firefighter
fuel
gage
gas
gasoline
gauge
heat
hydraulic
indicator
industrial
industry
instrument
level
manometer
measure
measurement
metal
meter
needle
oil
petrol
pipes
power
precision
pressure
pump
red
station
steam
steel
storage
system
tank
technology
test
tool
valve
water
zero