No one ever says it’s shedding cats and dogs. But it is true! Not just carpet, but even tightly woven Oriental rugs accumulate pet hair, debris, and dander over time. The picture to the right illustrates hair collected from a single condo. The renter owned a large dog. Dogs shed, right? But why is the hair so hard to remove? All animals, even people, have oil on their hair.  This oil is sticky and creates...