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Man roofer mounting photovoltaic solar panels on roof of house. Engineer in helmet installing solar module system with help of hex key. Concept of alternative, renewable energy.
Solar panels, meadow and mountain landscape
Newly built houses with solar panels attached on the roof, Solar system on a roof in the Netherlands
Sunny daytime. Engineer with photovoltaic solar panels outdoors.
Men technicians carrying photovoltaic solar moduls on roof of house. Engineers in helmets installing solar panel system outdoors. Concept of alternative and renewable energy.

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