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Next they connected these joints to a smoke cycle simulator machine that uniformly inhaled six times for three seconds each, then exhaled. Filters collected the aerosols at the machines 3-D-printed mouthpiece, and the researchers used analytical chemistry techniques to measure aerosol levels from puffs taken at the beginning, middle, and end of each joint

Knowing the risk is the first step to keeping that smoke out of your home

Les fabricants doivent donc porter une attention particulire leurs processus d'extraction et de purification pour garantir l'absence complte de cette substance psychoactive