Electrical engineers working at wind turbine power generator station with solar panel, Energy concept

• aeolian, aerogenerator, alternative, communication, confidence, conservation, construction, consulting, development, eco, ecology, efficiency, electricity, energy, engineer, engineering, environment, environmental, eolic, farm, generator, grass, green, helmet, hold, industrial, industry, looking, maintenance, panels, people, power, production, quality, radio, renewable, repair, site, sky, solar, station, sustainable, talking, technician, technology, tower, turbine, watt, wind, worker
• ID: 507614989
• Published: 31Oct2016
• Model: 18573481
• 5472 x 3648 pixels