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Last Updated: Thursday August 12 2010 12:55 GMT

Astronauts do DIY spacewalk

International space station

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Two astronauts have had do some DIY in space to remove a faulty pump from outside the international space station.

The pump controls the temperature inside.

It was the second spacewalk done by the crew in five days.

And there'll be a third one at the weekend to put in a new pump.

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