Human Energy Level Stock Videos

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energy: a matter of choices - part 8 of 38. east coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. this timely film aims to help students interpret the energy cri - human energy level stock videos & royalty-free footage
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Energy: A Matter of Choices - part 8 of 38. East Coast "blackouts" and "brownouts," wintertime heating oil shortages, national gasoline shortages - each year the situation seems to get worse. This timely film aims to help students interpret the energy cri
Crisis, 1973, Fuel and Power Generation
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