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CAPE CANAVERAL, Fla. (AP) — Spacewalking astronauts armed with brushes and other homemade tools attempted to install a critical power-switching box at the International Space Station today and revive electrical systems.

A stiff bolt prevented NASA’s Sunita Williams and Japan’s Akihiko Hoshide from properly securing the new unit last Thursday. The problem cut the amount of electrical power available to the space station and a variety of equipment had to be turned off.

Williams and Hoshide carted out an assortment of jury-rigged tools to clean the troublesome bolt.



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