The red hand wheels of metal valve in the factory. Red valve in factory with the fire hose used for fire protection
Palabras clave
alarm,
chemical,
connection,
construction,
control,
emergency,
engine,
engineering,
environment,
equipment,
extinguisher,
factory,
fire,
firefighting,
fuel,
gas,
hazard,
hose,
industrial,
industry,
liquid,
machine,
machinery,
metal,
oil,
crude oil,
pipe,
pipeline,
plant,
power,
pressure,
production,
protection,
pump,
red,
refinery,
safety,
security,
sprinkler,
station,
steel,
supply,
system,
technology,
transport,
tube,
valva,
warning,
water,
wheel
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