Επιχειρηματίας αγγίζοντας το μέτωπο και πόσιμο νερό - Πλάνα & Βίντεο Αρχείου

Solar batterys expert is turning around and walking towards the camera. 4K

A worker uses tablet, counting solar panels on a roof.

Male worker is walking along the solar array and evaluating it. 4K

Male engineer and worker in a uniform are checking solar batteries. The are working on energy conservation project. The men are concentrated and are discussing details.

Businessman drinking coffee and smiling at camera

Smiling businessman dancing near solar panels

Irritated businessman talking on smartphone

Businessman looking at solar panel and smiling at camera

Smiling businessman dancing near solar panels

Smiling businessman showing solar battery model