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.
The best way to remove fleas from puppies in their first few weeks of life is via a gentle, daily flea combing. Replace the bedding in the whelping box and vacuum your house thoroughly, removing the contents of the vacuum cleaner bag. If a puppy is severely infested, take him to the vet for treatment.