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About Smoke 

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Merged optical approaches. There are many proprietary optical smoke measurement products such as the 'nephelometer' or maybe the 'aethalometer' which use various different optical methods, together with more than one wavelength of sunshine, inside an individual instrument and use an algorithm to give a fantastic estimate of smoke. A https://nuso88899.muzwiki.com/7514756/5_simple_techniques_for_smoke
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