熄灭香烟、烟斗或卷烟。 清洗烟灰缸。 毁灭证据。 洗去残留的烟味。

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If you are done smoking but your cigarette, pipe or joint is still lit, then you will want to put it out right away. The best way to put out a lit cigarette is by stubbing it in an ashtray or by dousing it in water.  To put out a pipe, you can just stop puffing and it should go out on its own after a minute or two. You can also cover the bowl with your hand (as long as it is not too hot) and the lack of oxygen should put it out. If the bowl is hot, then use a few drops of water. To put out a joint, you can stub it in an ashtray or use a bit of water to put out the ember at the end. Just be careful not to get the whole thing wet or you won’t be able to smoke the rest of the joint. If you used a small plate, cup, or jar as a makeshift ashtray, be sure to clean it well with hot water and a bit of soap until the ash is gone. If you used an empty can or some other disposable item, then you can just throw it away. Just make sure that it is covered up in the trash can. You may also want to clean it out first to prevent any odors from coming from it. The easiest way to dispose of ashes or butts is to flush them down a toilet. Cover the cigarette in toilet paper to reduce the chance of ash and other debris floating back up. If you're nervous about flushing your evidence down the toilet, you can also seal the ashes and/or butts in a plastic bag and toss the evidence into a public trash can when you are out. Even when you are done smoking, its smell can remain on hands, breath and clothing. Washing your hands, brushing your teeth, showering and changing your clothes will help to eliminate any lasting scents.   Wash your hands. Wash your hands with lots of soap after you finish smoking. Washing with hot water alone won't be enough to rub off the smell. If you don’t have access to a bathroom right away, then use some alcohol-based hand sanitizer.  Brush your teeth. Your teeth and breath will also hold a lingering odor after you've smoked. Be sure to brush your teeth for at least two minutes, with special attention given...