Refined oil yes. But crude oil can be because it has impurities. Honestly in unsure about that sentence. They might have conflated all of the substances and effects together to save space. I imagine oils cooked definitely stain unprotected metal though.
Oil is corrosive? Doesn’t it usually prevent steel from rusting?
Refined oil yes. But crude oil can be because it has impurities. Honestly in unsure about that sentence. They might have conflated all of the substances and effects together to save space. I imagine oils cooked definitely stain unprotected metal though.
Crude oil isn’t really something you’d find outside the shipping or refining industry though.
I think they’re just covering their assess with the oil thing.