Home Security and Safety — Maintaining and Replacing Your Smoke Alarm
Smoke alarms can be lifesavers in the event of a fire. They mightn’t stop your home from burning down, but they provide the extra few minutes of time during which you can exit the house. There are two types of alarm, ionization and optical. Ionization alarms which use a small radio-isotope source, are best at detecting the small particles produced by a flaming fire…