Fröhliche männliche Ingenieure in Bollenhut und Weste stehen mit modernen Sonnenkollektoren auf dem Feld und schauen einander an - Stockfoto & -bild

Men in vests and hardhats reading blueprint together while standing near photovoltaic panels on sunny day in countryside

Cheerful male entrepreneurs in helmets shaking hands after successful deal while standing against contemporary photovoltaic batteries in countryside and looking at each other

Positive bearded male engineer in hardhat and waistcoat using netbook for monitoring work of solar panels and speaking with colleague about renewable energy

Cheerful male engineers in vests and hardhats examining draft while working together on project and standing in meadow with contemporary photovoltaic panels

Cheerful adult male engineers in hardhats and waistcoats checking blueprint of construction plan on solar power farm

Male technicians in uniform browsing netbook during diagnostics of modern photovoltaic batteries while working together in field on sunny day

Happy male contractors in hardhats and waistcoats smiling and examining blueprint while working on solar power station

Back view of male engineers in hardhats and vests examining draft while standing near photovoltaic panels on solar power station at sunset

Happy male business partners discussing energy development project while standing near photovoltaic panels on green solar farm

Happy man in waistcoat and hardhat carrying tablet and smiling for camera while standing near colleague and photovoltaic panel on solar power station

Professional male engineers in hardhats and waistcoats inspecting photovoltaic panels for alternative energy on solar power station

Side view of serious bearded male engineer in hardhat using mobile phone while working on maintenance of contemporary photovoltaic panels on solar power station

Side view of bearded male engineer in hardhat using electric screwdriver to repair solar panel on power station

Bearded male contactor in uniform and hardhat using electric drill to repair photovoltaic panel at sunset