Filter/dilution tunnel. A smoke sample is drawn through a tube in which it is diluted with air, the ensuing smoke/air mixture is then pulled by way of a filter and weighed. This is the internationally acknowledged approach to measuring smoke from combustion.[sixty six] Generally, legal and regulated for a https://chinese-branding-agency68912.mywikiparty.com/1316047/the_ultimate_guide_to_cigarettes
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