Traces of vanadium in large-temperature combustion products form droplets of molten vanadates. These attack the passivation levels on metals and bring about significant temperature corrosion, which can be a concern especially for inner combustion engines. Molten sulfate and direct particulates also have these kinds of result. 1600 – Tobacco https://broadfar.com/nuso-heated-tobacco-smarter-alternative-to-traditional-smoking/