Solar panels installed on the roof of a house. Alternative energy source.
Palabras clave
panel,
person,
electricity,
male,
horizontal,
photo,
technician,
color image,
efficiency,
engineer,
occupation,
power,
renewable,
roof,
safety,
solar,
energy,
sunlight,
alternative,
photovoltaic,
construction worker,
repairing,
renovation,
sustainable,
two people,
install,
aerial view,
mobile phone,
electrician,
examining,
generator,
hard hat,
innovation,
one person,
source,
system,
ecology,
work,
co-worker,
development,
eco,
expertise,
security,
teamwork,
tile,
solar system,
phase,
steel
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