A worker installs solar panels.
Schlüsselwörter
men at work,
energy,
solar,
panel,
electricity,
engineer,
power,
install,
alternative,
photovoltaic,
man,
technology,
renewable,
ecology,
environment,
electric,
installation,
technician,
electrical,
green,
industry,
system,
maintenance,
business,
environmental,
roof,
innovation,
station,
mobile phone,
generator,
installer,
cell,
uniform,
service,
safety,
eco,
working,
male,
helmet,
sunlight,
electrician,
person,
sun,
equipment
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