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Show to be done right in the home. The new machines are expected to be available soon to rug cleaners. A radical new method of clean-$ I ing wall-to-wall cotton carpet in I the home has been developed by a vacuum cleaner monufacturer on a research contract with the US Department of Agriculture. Even heavily soiled cotton carpet can be restored in one day by the new process, by which thick suds from a special detergent are worked through the carpet pile by a specially spec-ially designed brush, then sucked up through a vacuum nozzle. Both suds and soil are removed, leaving a clean, dry carpet. The job is still one for a professional rug cleaner, |