Blended optical techniques. You'll find different proprietary optical smoke measurement devices like the 'nephelometer' or even the 'aethalometer' which use several various optical approaches, together with multiple wavelength of light, inside of an individual instrument and apply an algorithm to provide a great estimate of smoke. Find out more https://jaidenetfre.iamthewiki.com/8631411/not_known_facts_about_tabacco