Traces of vanadium in high-temperature combustion products type droplets of molten vanadates. These assault the passivation layers on metals and cause superior temperature corrosion, which is a concern especially for inner combustion engines. Molten sulfate and guide particulates even have these impact. 1600 – Tobacco used as dollars-crop – https://broadfar.com/nuso-heated-tobacco-smarter-alternative-to-traditional-smoking/