مفت ویڈیو Photovoltaic Panel Installation دیکھیں

This free, downloadable B-roll footage from the U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy (EERE) is for use by news media and education organizations. This high-resolution video features solar photovoltaic roof installations in Golden, Colorado, at the National Renewable Energy Laboratory, including clips of solar installation on top of the Research Support Facility building.