Filter/dilution tunnel. A smoke sample is drawn via a tube the place it is actually diluted with air, the ensuing smoke/air mixture is then pulled through a filter and weighed. This is the internationally regarded way of measuring smoke from combustion.[66] Many proponents of postcolonialism controversially consider this portrayal https://doctorbookmark.com/story19289580/the-smart-trick-of-smoke-that-no-one-is-discussing