Professional worker or engineer installing photovoltaic solar panels
Palabras clave
professional,
men at work,
engineer,
install,
photovoltaic,
solar,
panel,
technology,
renewable,
technician,
energy,
electricity,
construction,
maintenance,
equipment,
electrician,
generation,
helmet,
green,
innovation,
blue,
working,
ecology,
efficiency,
system,
alternative,
safety,
people,
house
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