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A comment on Dyson has scrapped its electric car project. Parent comment
https://en.wikipedia.org/wiki/Vacuum_cleaner#Cyclonic
They marketed a portable vacuum that doesn't use a bag or filter as the first dirt separation stage.
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https://en.wikipedia.org/wiki/Vacuum_cleaner#Cyclonic
They marketed a portable vacuum that doesn't use a bag or filter as the first dirt separation stage.