boiler
boilerhouse
checking
circulation
control
counter
energy
engineer
engineering
equipment
factory
fitter
gas
heating
indicator
industrial
industry
inspector
job
log
man
manometer
manometers
meter
pipeline
plumber
plumbing
pressure
pump
readings
record
repair
repairman
service
system
technology
testing
thermostat
valve
work
worker
定額
Engineer, worker registers readings of sensors and pressure gauges.の素材 [FY310116345936]
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