How did the portable electric vacuum cleaner improve everyday life?

Answer Similar to table salt (NaCl), but purer: no iodine additions.Good info at

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Where can you buy a small portable vacuum cleaner?

My 20 year old upright freezer is about 10A starting, 3.27 amp running (263 watts) My 10 year old fridge is very similar

Who invented the first portable vacuum cleaner?

What company invented the portable vacuum cleaner?

How much electric current does each of these items need a colour television b vacuum cleaner c stove element d toaster e electric clock?