![](http://www.alamy.com/thumbs/6/50443704-3912-40F6-A0C3-B5633D003713/KCTB2E.jpg)
plumber at work making the consumption metering
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Photo credit: © MGPhoto76 / Alamy / Afripics
License: Royalty Free
Model Released: Yes
Keywords: block, boiler, chiller, consumption, ecology, energy, fittings, gas, heat, heating, hydraulic, installation, maintenance, meter, metering, notes, paper, pipes, piping, plumber, plumbing, pump, reading, saving, service, system, valve, work