Yellow natural gas pipeline vent pipe for cathodic protection and ventilation installed against a red brick wall on a city sidewalk.
Keywords
pipeline,
natural gas,
infrastructure,
ventilation,
utility,
industrial,
brick wall,
safety,
urban,
city,
sidewalk,
metal,
energy,
fuel,
distribution,
construction,
technical,
maintenance,
marker,
equipment,
supply,
system,
engineering,
street,
signal,
warning,
redbrick,
shadow,
sunny,
day,
pavement,
barcelona,
spain,
underground,
pressure,
relief,
protection,
facility