Electrical, instrument technician use touch pad manual guide to maintenance electric system and standing relax on the solar panel with sunset sky
Schlüsselwörter
solar,
electric,
energy,
environment,
maintenance,
men at work,
service,
repair,
thermal,
upgrade,
sunny,
efficiency,
renewable,
measurement,
technology,
light,
sky,
sun,
battery,
technician,
mobile phone,
system,
sunlight,
operation,
installing,
construction,
voltage,
check,
electricity,
innovation,
substitution,
industry,
electrician,
power,
panel,
engineer,
plant,
supply,
fix,
aerial,
clean,
station,
nature,
sunset
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