Ionization smoke detector is more sensitive to smaller smoke particles than the photoelectric type detectors. In a fire, the alarm triggering times between these two types are similar. But in a smoldering fire, when big particles are released, photoelectric detectors are triggered earlier.
Tag archives: dust
Despite the heavy snowstorm that hit Southern Ontario yesterday, we have to face the facts: Spring is coming, and so is the pollen and allergies associated with it.
Allergies can happen at any time of the year however there are more incidences of allergies once tree pollen is released into the air. Other common environmental ...