DETAILS, FICTION AND SMOKE 

Filter/dilution tunnel. A smoke sample is drawn via a tube wherever it is diluted with air, the ensuing smoke/air mixture is then pulled through a filter and weighed. This can be the internationally identified approach to measuring smoke from combustion.[66]1970 – Tobacco suppliers legally obliged to print a warning within the labels that smoking

B1 [ U ] the grey, black, or white mixture of gasoline and really small pieces of carbon that may be developed when one thing burns:Insert to word record Increase to phrase checklist [ U ] a cloudy grey or black mixture of air and very small items of carbon produced by a thing that is burning:Any professional medical facts printed on this Web page