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Carpets are the flooring of choice in the United Kingdom, accounting for well over half of all floor covering purchases. The reasons for its popularity are practical as well as decorative.
Perhaps more significant is the fact that the (EPA) scientists have concluded that carpet can be beneficial in trapping and immobilizing potential allergy-causing particulates, preventing them from re-entering the air stream, if the carpet is properly cleaned and maintained. A 1990 study in Sweden determined that levels of particulate contaminants, bacteria, and fungi in indoor air in carpeted areas were always far below levels in the air above hard surface floors.
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