80's cigarette vending machine Wood Grain File:Distributeur cigarettes.jpg - Wikimedia Commons

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As a result, Chunghwa cigarettes consistently held a leading position nationwide in terms of both intrinsic and appearance quality

Received: Accepted: Published: Version of record: DOI: Comments Interesting comment from Reddit: Ahh this is a really poor experiment in a lot of ways and am kinda surprised it made it through the reviewers

Up to then, it wasn't uncommon to see ashtrays in stores, hotels, beauty salons, city buses, airplanes, restaurants and virtually everywhere - even in doctor's officers and hospitals, you saw smokers everywhere happily puffing away

They also must be tailored to specific types of molecules, so a single gas phase filter is unlikely to fully remove all the VOCs found in tobacco smoke from the air