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How do smoke detectors work. ?
Their are 2 main types of smoke detectors. The alarms send a voltage to the plates making it ring.
Who developed smoke detectors. ?
Smoke detectors have been around since. The 1890,s and were developed by George Andrew Darby.
People in homes, Hotels and work places.
Who uses this technology. ?
How it makes peoples lives better.
Smoke detectors given people safety. And reassurance when they are asleep.
Other people might have been saved because of smoke alarms and and it will save them and their family's a lot of grief.
What would life be like with out smoke detectors.
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