A young skilled worker regulates the gas boiler before use.
Schlüsselwörter
boiler,
plumber,
technician,
repairman,
men at work,
service,
heater,
home,
house,
pipe,
adjusting,
installing,
mechanic,
gas,
maintenance,
engineer,
system,
man,
water,
heating,
install,
plumbing,
repair,
check,
fix,
handyman,
work,
working man,
controlling,
adjustable,
guy,
fitting,
occupation,
spanner,
uniform,
control,
handiwork,
checklist,
screwdriver,
craftsman,
fitter,
installation,
equipment,
blue,
wrench,
examining,
adjustment
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