3d
analog
analyzing
black
compression
control
device
equipment
fuel
gas
gauge
hydraulic
icon
illustration
indicate
indicator
industrial
industry
instrument
isolated
isometric
manometer
measure
measurement
mechanical
metal
meter
metering
monitor
object
oil
pipe
pipeline
power
pressure
pressuregauge
psi
pump
scale
sign
simple
steel
symbol
technical
technology
temperature
tool
valve