As well as size and capacity, shredders are classified according to the method they use; and the size and shape of the shreds they produce. 1  Strip-cut shredders use rotating knives to cut narrow strips as long as the original sheet of paper.
Thoroughly and regularly clean areas where you find adult fleas, flea larvae, and flea eggs. Vacuum floors, rugs, carpets, upholstered furniture, and crevices around baseboards and cabinets daily or every other day to remove flea eggs, larvae, and adults.
Vacuum any Borax powder remaining on the furniture. Otherwise, let everything be for 24 to 36 hours after applying the Borax. After that, begin vacuuming as normal. This will dispose of any dead adult fleas and desiccated corpses. The Borax should remain active in your carpet for up to a year to control further infestations.