The worker is installing the gas boiler pipes.
Schlüsselwörter
equipment,
mechanic,
circulation,
plumber,
thermal,
insulation,
repairman,
supply,
modern,
connection,
heat,
new,
water supply,
engineer,
household,
hot,
central,
tube,
adjustable,
repair,
installing,
house,
adjusting,
fix,
install,
plumbing,
energy,
men at work,
system,
heater,
fitting,
service,
domestic,
boiler,
installation,
gas,
pipe,
heating,
home,
pipeline,
two-story,
assistance,
connecting
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