Boiler gas in boiler room.
Schlüsselwörter
industry,
industrial,
equipment,
factory,
construction,
machine,
power,
gas,
machinery,
transportation,
plant,
metal,
building,
crane,
work,
steel,
workshop,
engine,
technology,
tool,
manufacturing,
truck,
pump,
boiler,
energy,
cable,
regulation,
boiler room,
steam,
burner,
detail,
background,
pipeline
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