The use of cylinder model vacuum cleaners

Abstract
Cylinder-model vacuum cleaners cause no bacterial contamination of the air, whereas even on oiled floors domestic brooms caused statistically significant contamination of the air when compared with a vacuum cleaner.The Hoover model 402 was the only machine tested whose bag is never removed, a theoretical as well as a practical advantage. Domestic brooms can destroy an otherwise efficient barrier nursing system and should bo avoided in hospital wards.

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