INCLUSIVE. THIS DEVICE IS CALLED A BED SHAKER, AND IT’S DESIGNED TO WAKE YOU UP IN CASE OF A FIRE BY DOING EXACTLY WHAT IT SOUNDS LIKE. SHAKING YOUR BED. FIRE. WAKE UP. THIS ISN’T A GENTLE MASSAGER ...
Optical-based smoke alarms use light instead. They are slightly better at detecting the large smoke particles created by slow ...
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