the exit of the smoke. The pipe is ordinarily held in place by the teeth, not the lips, and the smok - PowerPoint PPT Presentation

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the exit of the smoke. The pipe is ordinarily held in place by the teeth, not the lips, and the smok

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... cooled smoke as a means of removing the irritation to the lips of pipe smokers. ... Lip cancer, in part, appears to be caused by a stale mouthpiece as ... – PowerPoint PPT presentation

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Tags: exit | held | lips | ordinarily | pipe | place | smok | smoke | teeth

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