A fiatal mérnök sisakot elemzi munka alternatív napelemek egy gyárban segítségével tabletta. 4k - Stock felvétel és videó

The male engineer is at the solar power plant. The man is checking the solar battery. The man is working on the renewable energy project.

The male engineer is at the solar power plant. The man is checking the solar battery. The man is working on the renewable energy project.

Man washes solar panels at home power plant.

Cleaning solar baterries from dust, using mop. 4K

Male worker working on solar panel in solar station office 4k

Engineer in a special equipment is at the solar power station. The man is checking the solar battery if it works well. The green energy project is going on.

Cleaning solar baterries from dust, using mop. 4K

The engineer walks at solar batteries and looks around. 4K.

Cleaning solar baterries from dust, using mop

The engineer walks at solar batteries and looks around. 4K.

Portrait of young, successful engineer stands at solar batteries with crossed hands. 4K

Bartender makes cocktail and poures into a glass in a bar. Slowly.