Filter/dilution tunnel. A smoke sample is drawn by way of a tube exactly where it is actually diluted with air, the resulting smoke/air mixture is then pulled via a filter and weighed. This is the internationally regarded method of measuring smoke from combustion.[sixty six] Smoke from oxygen-deprived fires is https://erickxsjaq.wikijm.com/1304258/smoking_things_to_know_before_you_buy