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.
Depending on what kinds of work you want to do, the Human Factors and Ergonomics Society (HFES) is a good place to start. Also, in all of your general psych stuff, search for human factors or user experience and in general places that aren't psyc related , look for research psychologist or human behavior.