We are addressing the content of the smoking tube, including any impregnation of, say, the smoking tube's paper with nicotine, ammonia, or other nitrogenous compounds that help to enhance the intake or the uptake of the nicotine.
Nous parlons du contenu de la cigarette, y compris toute imprégnation du papier de la cigarette, de nicotine, d'ammoniaque ou d'autres composés azotés qui permettraient de rehausser l'absorption de nicotine.