Blended optical strategies. You'll find several proprietary optical smoke measurement equipment such as the 'nephelometer' or the 'aethalometer' which use several unique optical methods, including multiple wavelength of light, within one instrument and use an algorithm to present an excellent estimate of smoke. Some elements of smoke are characteristic https://nuso73726.myparisblog.com/34198240/helping-the-others-realize-the-advantages-of-smoke