Man installing alternative energy photovoltaic solar panels
Palabras clave
alternative energy,
business,
caucasian,
copy space,
efficiency,
electrician,
energy,
energy crisis,
engineer,
environment,
equipment,
forecasting,
generator,
global warming,
hard hat,
horizontal,
industry,
installing,
male,
manager,
man,
nature,
object,
one person,
photo,
power,
propeller,
repairing,
service,
solar energy,
solar panel,
technician,
technology,
thumb up,
turbine,
turning,
wind power,
wind turbine,
working class
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