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Smoking  No Further a Mystery

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Filter/dilution tunnel. A smoke sample is drawn by way of a tube in which it's diluted with air, the resulting smoke/air combination is then pulled through a filter and weighed. This is the internationally identified technique of measuring smoke from combustion.[sixty six] The 19th century witnessed many important developments https://nuso23344.eqnextwiki.com/4791974/examine_this_report_on_smoking

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