Britain’s mining and steel industries are in decline, and the once-prosperous South Wales valleys resemble the American rust belt, with their abandoned factories, boarded up shops, empty cafes ...
来自MSN6 个月
Why doesn't stainless steel rust?Rust is a constant threat to the iron all around us, which readily oxidizes in both air and water. Even steel — a hard alloy of iron with traces of carbon — easily rusts, which means oxidation ...
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