Burglar alarm - PowerPoint PPT Presentation

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Title:

Burglar alarm

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Slide 1. Burglar alarm. Slide 2. Automatic doors. Slide 3. Street light. Slide 4. Systems that use sensors: a burglar alarm. automatic doors. a street light. Slide 5 ... – PowerPoint PPT presentation

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Title: Burglar alarm


1
Burglar alarm
2
Automatic doors
3
Street light
4
Systems that use sensors
  • a burglar alarm
  • automatic doors
  • a street light

5
Keeping the right temperature
  • a cooling fan
  • an electric fire
  • a temperature sensor
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