Space Waste Disposal Unit, also known as the S.W.D.U. swept the astral highways on the fringer of the Solar System to ensure trouble-free passage for freighters between Neptune and Pluto[1].
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Space Waste Disposal Unit, also known as the S.W.D.U. swept the astral highways on the fringer of the Solar System to ensure trouble-free passage for freighters between Neptune and Pluto[1].