Valve and pipe line for hot water circulation.
Palabras clave
abstract,
background,
business,
connection,
construction,
design,
drain,
element,
energy,
engineering,
equipment,
factory,
faucet,
fitting,
fuel,
gas,
gasoline,
icon,
illustration,
industrial,
industry,
isolated,
line,
metal,
object,
oil,
outline,
pipe,
pipeline,
piping,
plumber,
plumbing,
power,
pressure,
pump,
repair,
service,
set,
signs,
steel,
supply,
symbol,
system,
tap,
technical,
technology,
tube,
valva,
water
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