accuracy
analogic
bill
consume
consumed
consumer
control
cost
counter
data
dial
diaphragm
domestic
energy
exthernal
flow
flow meter
flowing
fuel
gas
gas meter
gray
home
house
indicator
industrial
instrument
measure
measurement
mesuring
meter
metering
natural gas
pipe
pipeline
plumbing
pressure
propane
rate
reading
regulator
residential
service
shut off
supplier
technology
utility
valve
volumetric
yellow