autumn
city
city view
cold
construction
engineering
equipment
exterior
gas
heat
heating
hot
housing
hydro power
industrial
industry
infrastructure
insulation
iron
metal
metallic
old
on the street
pipe
pipeline
piping
plant
power
repair
russia
season
service
steam
steel
structure
supply
system
technological
technology
transit
transportation
tube
tubing
tyumen
urban
water
定額
Modern Elevated Heat Pipes. Pipeline above ground, conducting heat to heat city. Urban line in metal insulation in residential quarter of city.の素材 [FY310134031986]
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