Traces of vanadium in large-temperature combustion solutions sort droplets of molten vanadates. These attack the passivation layers on metals and result in substantial temperature corrosion, which can be a concern specifically for inside combustion engines. Molten sulfate and lead particulates also have these kinds of outcome. 1970 – Tobacco https://broadfar.com/oraco-pioneering-a-smokeless-future-with-innovative-nicotine-delivery/