Filter/dilution tunnel. A smoke sample is drawn through a tube where by it can be diluted with air, the ensuing smoke/air mixture is then pulled through a filter and weighed. Here is the internationally identified approach to measuring smoke from combustion.[66] A graph that exhibits the efficiency of cigarette https://erickrkcul.wikienlightenment.com/7617598/not_known_factual_statements_about_cigarettes