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Ejemplos
1. Some of us have a burglar alarm system at home, and some of us don't.
2. Whenever someone says security versus privacy, look at them and say door lock, burglar alarm, tall fence.
3. Every time there's a new car burglar alarm or a new alarm system in homes, they just have to figure out a new way around it.
4. It has a passive, infrared sensor like a burglar alarm.
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