Consider your dog's dinnerware, a topic more complicated than you might have thought. A visit to your local pet superstore, for example, will reveal dozens of choices, in plastic, stainless steel, glass, nylon, ceramic, and possibly aluminum. Among them are many simple, practical and economical models, meant for long-term everyday use, which are the focus of this article. Of course, bowls also come in a million different specialty" models to feed automatically