How smoke detector work
Helen Li
SMQT
2016-07-25 16:36:05
How smoke detector work
Smoke detectors are one of those amazing inventions that, because of mass production, cost practically nothing. And while they cost very little, smoke detectors save thousands of lives each year. In fact,it is recommended that every home have one smoke detector per floor.
All smoke detectors consist of two basic parts: a sensor to sense the smoke and a very loud electronic horn to wake people up.
All smoke detectors consist of two basic parts: a sensor to sense the smoke and a very loud electronic horn to wake people up.
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