Some factors of smoke are characteristic of your combustion source. Guaiacol and its derivatives are products of pyrolysis of lignin and so are attribute of wood smoke; other markers are syringol and derivates, along with other methoxy phenols. Retene, a product of pyrolysis of conifer trees, can be an https://broadfar.com/oraco-pioneering-a-smokeless-future-with-innovative-nicotine-delivery/