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The first vacuum cleaner was so big it was pulled by a horse.

The first vacuum cleaner was so big it was pulled by a horse.

More than 100 years ago it stood outside the house. Long tubes reached through the windows to clean inside.

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A broom sweeps dust into a pile so you can scoop it up. A broom sweeps dust into a pile so you can scoop it up. A vacuum cleaner sucks up dust using fast-moving air. A vacuum cleaner sucks up dust using fast-moving air. A mop uses a wet, soft head to wipe sticky floors clean. A mop uses a wet, soft head to wipe sticky floors clean. Feather dusters work because dust sticks to their fluffy tips. Feather dusters work because dust sticks to their fluffy tips. Bubbles in soapy water help lift dirt away as you scrub. Bubbles in soapy water help lift dirt away as you scrub.