Filter/dilution tunnel. A smoke sample is drawn via a tube where by it truly is diluted with air, the ensuing smoke/air mixture is then pulled via a filter and weighed. This is the internationally acknowledged way of measuring smoke from combustion.[66] Farmers discovered that brightleaf tobacco desires skinny, starved https://nmate92357.bloggerbags.com/39463100/the-5-second-trick-for-tabacco