If sound does not travel through a vacuum, why do vacuum cleaners make so much noise?
For that matter, what exactly does a vacuum cleaner clean?
Window cleaners clean windows
Rug cleaners clean rugs
Drain cleaners clean drains
Street cleaners clean streets
How can a vacuum get so dirty?
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abusus non tollit usum - A right should NOT be withheld from people on the basis that some tend to abuse that right.
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