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5 Simple Techniques For Smoke 

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Filter/dilution tunnel. A smoke sample is drawn by way of a tube where it can be diluted with air, the resulting smoke/air combination is then pulled through a filter and weighed. This is the internationally acknowledged means of measuring smoke from combustion.[66] Hardly any smoke is created at this https://directoryquick.com/listings13160267/new-step-by-step-map-for-cigarettes
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