Solar powered portable traffic signal being used at a road construction site.
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Image Copyright David R. Frazier Photolibrary, Inc.
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Image Details
- Image ID
- solar_power_sign3
- Caption
- Solar powered portable traffic signal being used at a road construction site.
- Keywords
-
solar, power, energy, portable, traffic signal, road, construction, electricity, photovoltaic cells
Click any keyword to search. - Credit
- © David R. Frazier Photolibrary, Inc.