It is amazing to learn how many commonly used things produce indoor air pollution. Some commonly used things that produce pollution are: no-iron sheets and pillowcases, automobiles, by-products of foods cooked on the stove or in the oven, furnaces and heaters, glues and other hobby materials, air fresheners, and aerosol sprays. Of course smoking is another major source of air pollution. Smoking bans in many public places have helped reduce air pollution, but millions of people continue to smoke in their homes. Use the picture(s) you created in your mind to help answer the following question. DO NOT LOOK BACK AT THE READING SELECTION WHILE ANSWERING THE QUESTION. Identify three commonly used things that contribute to increased indoor air pollution.