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سلطة الطاقة والموارد الطبيعية

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Giant Inflatable Airship Powered by Algae

This summer, piloted by Captain Allan Judd, Bullet 580 will usher in the return of inflatable giant airships. The 235 ft long and 65ft diameter ship is covered with a type of Kevlar, a material 10 times-stronger than steel but only one sixteenth of an inch thick. An E-green

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