Επιχειρηματίας έλεγχο σύρμα και γραφή σε χαρτί - Πλάνα & Βίντεο Αρχείου

The young engineer in helmet analyzes work of alternative solar batteries on a factory using tablet. 4K

Engineer using drill and smiling at camera

Solar energy station in the field, worker and client communicating. On footage foreman and business client discussing technical drawings.

Video of man checking eco solar panels, roof cells solar system station

Footage with solar energy station, Director and worker communicating discussing technical aspects, director holding photovoltaic item in hand.

Engineer using drill and smiling at camera

Engineer using gadget and looking at solar panel

Engineer drinking coffee and looking at camera

Irritated businessman talking on smartphone

Businessman drinking coffee and smiling at camera

Engineer touching forehead and drinking water