Not in the ear canal, I hope
Some car detailers use them to clean parts of the interior, believe it or not. I believe that degree of attention to cleanliness is not healthy, LOL
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2008 Mercedes-Benz B 200

2005 smart fortwo cdi pulse cabriolet, loaded

1966 Peugeot 404 Coupé Injection
1989 Peugeot 405 DL, 366,000 km