There are two types of smoke alarm. One of 'em ain't so good.
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Why don't Americans use electric kettles?
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Holey Plugs, Batman! But... what are they for?
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Why the Most Common Smoke Alarm is Dangerous
24:27
This TV gadget censors bad words with 1980's tech
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How much thrust does a ceiling fan produce?
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Using the Google Nest Protect Smart Smoke Alarm in 2023
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The correcting feature of typewriters is not what I thought
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