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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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