Engines, locomotives and any other mechanical movement; we all have seen it right? But why that fume is always there, whenever there is a mechanical movement, friction of metal parts why fumes and smoke come out of that cylinder kind metal rod? […]
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Engines, locomotives and any other mechanical movement; we all have seen it right? But why that fume is always there, whenever there is a mechanical movement, friction of metal parts why fumes and smoke come out of that cylinder kind metal rod? […]