Άνδρες με στολή και κράνη που στέκεται ανάγνωση έγγραφα κοντά σε ηλιακούς συλλέκτες σε εξωτερικούς χώρους. - Πλάνα & Βίντεο Αρχείου

Green energy concept. The engineer with documents is discussing something with a worker.The men are standing near our solar panels. The engineer is wearing a suit and a protective hat and the worker

4K Technicians checking the panels at solar energy installation

Engineer with helmet inspecting row of solar panels

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.

Engineer with helmet inspecting row of solar panels

Technician inspecting solar panels.

Two engineers working on checking and maintenance equipment in a solar power plant.

Two engineers discussing over solar panels at sunset

Two technicians or engineers checking photovoltaic panels in a large installation on a wind farm supplying alternative electricity from solar energy

Crop view of hands holding and pointing with pen at graphics on paper near solar panels outdoors