The general production and manufacture of STPs is reasonably well characterised, [1, 35], and it is widely known that contemporary STPs contain additives
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These include: electronic smoking devices battery-operated or USB-charged cigars/cigarettes/pipes that simulate smoking. Gary Leff, a Texas-based travel industry expert and author of the blog View From the Wing, told Fox News Digital theres a stigma against vaping
See the Appendix below and Erwin and Ribeiro (1996) for a more detailed description of the taxonomy of this organism
The best way to fight it is to leave your purifier running all the time, even on a low, quiet setting