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.
primary one is need. Market research will help you answer this question. 2. Market Research (Feasibility) Market research is the first and most important task you need to accomplish BEFORE you start your business, to determine if your idea is feasible, which according to Websterâs Dictionary means âcapable of being done; suitable.â