Gas pipeline is installed under the ground.
Schlüsselwörter
background,
building,
construction,
district,
earth,
energy,
engineering,
equipment,
fix,
gas,
ground,
heat,
heating,
heavy,
hot,
industrial,
industry,
infrastructure,
installation,
lay,
laying,
line,
main,
maintenance,
metal,
outdoors,
pipe,
pipeline,
pipe,
piping,
plastic,
power,
repair,
service,
site,
dirtied,
steam,
steel,
supply,
system,
technology,
transportation,
trench,
tube,
under,
underground,
utility,
water,
work,
men at work
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