boiler
circulation
clock
control
device
element
equipment
factory
faucet
fuel
gage
gas
gate
gauge
heat
heating
hydraulics
indicator
industrial
industry
instrument
insulation
manometer
measurement
measuring
metal
needle
oil
pickoff
pipe
pipes
plant
power
pressure
production
pump
refinement
room
steam
steel
system
technology
temperature
thermoinsulation
transducer
tube
value
valve
water
workplace