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Filter/dilution tunnel. A smoke sample is drawn by way of a tube where it is diluted with air, the resulting smoke/air mixture is then pulled through a filter and weighed. This is actually the internationally regarded method of measuring smoke from combustion.[66] Evanston firefighters responded to an individual-family dwelling https://cristiandsgre.evawiki.com/9403871/the_5_second_trick_for_tabacco

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