Smoke alarms, which are also called smoke detectors, work by constantly checking the air for traces of the gasses and smoke particles produced by a fire.There are two types of smoke alarms-ionization alarms and photoelectric alarms.moke alarms, which are also called smoke detectors, work by constantly checking the air for traces of the gasses and smoke particles produced by a fire.
Q: the BEST way to begin the research process. A: The BEST way to begin the research process is to select a topic that interests you. Expert answered|andrewpallarca|Points 37581|. Log in to see link for more information.
Breaking into the Field. 1  1. Start your own editing business or service. One of the easiest and most effective ways to build your body of work is to create your own business. 2  2. Get a listing on the Internet Movie Database (IMDB). Be strategic about how you build your body of work. 3  3. Craft a competitive portfolio.