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The young engineer in helmet analyzes work of alternative solar batteries on a factory using tablet. 4K
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.
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.
Video of engineer-expert man at solar panels, uses hologram graphic
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.
Male engineer and a worker are at the solar power station. They are walking down the rows of the solar batteries. The men are discussing alternative energy project and how it is going on.