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Photovoltaic system with solar panels for the production of renewable energy through solar energy, a technician using a screwdriver or tool
Two metal gears linked together on a white background.
Two metal gears linked together on a white background.
technician or engineer working on a valve on building technical equipment or industrial site
Photovoltaic system with solar panels for the production of renewable energy through solar energy, a technician or worker and the investor or owner standing in front
An unidentified male worker on bamboo ladder is repairing telephone line near the community.
Construction worker in construction machinery hand shake with engineer to welcome on construction site
Photovoltaic system with solar panels for the production of renewable energy through solar energy, a technician standing in front with a laptop
Huge industrial high-voltage substation power transformer at an power plant
An unidentified male worker on bamboo ladder is repairing telephone line near the community.
Chinese architect and supervisor on a construction site
Builder or driver standing in front of construction machinery on building site
