When no particles are present in the chamber, the light from the beam goes directly across the chamber and does not strike the light detector (which is offset from the normal path), thus indicating all clear
To really understand how strong a vape hit will be, there are a few more factors to consider
Thats a huge upgrade from your basic HEPA filter, but whats an even bigger upgrade is its efficient operation
These lung alterations are irreversible and permanent
1898 Maple Tobacco Company Marcovitch & Co Ltd - London Est
Specifically, given one individual who was abstinent from smoking in the contingency management group, and one in the smoking cessation-as-usual group on any given day during the 6-month study period, the contingency management participant was 1.6 times more likely to remain abstinent the following day