air
background
boiler
control
device
dial
engineering
equipment
factory
fittings
gas
gauge
hydraulic
hyphen
indicator
indicator to
industrial
industry
install
instrument
isolated
macro
manometer
measure
measurement
mechanism
metal
meter
needle
object
part
pipeline
power
powerful
pressure gauge
pump
scala
stress
system
tap
technology
the operation
tool
trough
vacuum
valve
white