グリーンエネルギーの概念。書類を持ったエンジニアが作業員と何かを話し合っています。技術者はスーツと保護帽と労働者を着ている - ストックフッテージ＆ビデオ

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.

Men in uniform and helmets standing reading papers near solar panels outdoors.

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 with documents is discussing solar power conservation project with a worker. The men are standing outside near the solar panels. The engineer and worker are focused on the project.

Male engineer with documents is discussing solar power conservation project with a worker. The men are standing outside near the solar panels. The engineer and worker are focused on the project.

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.

Two serious male engineers are discussing the project. The alternative energy batteries are placed outside. The men are checking the solar panels.

Two serious male engineers are discussing the project. The alternative energy batteries are placed outside. The men are checking the solar panels.