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  • (Score: 1, Informative) by Anonymous Coward on Monday November 06 2023, @01:27PM

    by Anonymous Coward on Monday November 06 2023, @01:27PM (#1331640)

    Probably those carpet-sweeper things? Vacuum pumps have been around forever though, it's perfectly reasonable that a powered vacuum could be made to run on compressed air or some other power source.

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