התאמת גודל מסך
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Hydroelectric Dams – Interiors B-Roll
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תיאור הוידאו:
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 hydroelectric dam interiors in Washington and Massachusetts, including clips of inspection and maintenance at Rocky Beach Hydroelectric Power Plant, Lake Chelan Powerhouse, Northfield Mountain.
הוסף ב
24 May 2016
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