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.
Pyrethrin-based flea sprays are effective in killing adult fleas, but they must be used twice weekly. Permethrin-based flea sprays, which contain a stronger form of pyrethrin, are toxic to cats and must never be used on cats. Today, spot-on treatments are the new method of choice for flea prevention and treatment.