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.
It kills these insects by dehydration like diatomaceous earth, but its less expensive. It also attacks their nervous system. One application lasts six months to a year for fleas in house. The deeper into the carpet you get it, the better. You don't want fido snorting it up.