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Airborne power turbine
Posted 6 days ago by nagaq in category: technology   Comments (0)


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Come and Play edition
Posted 5 years ago by boyt in category: comedy   Comments (0)


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ISS
Posted 2 years ago by LInders in category: space   Comments (0)



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Posted 2 years ago by boyt in category: interesting   Comments (0)


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Posted 7 years ago by boyt in category: impressive   Comments (1)