Imagine the small stainless steel spoon - it can last forever - a mixture of iron with a few other metals including chromium, nickel - even though it is mostly iron, it does not taste like iron - it is mostly tasteless - so you can taste the food itself and not the spoon - amazing thing is that everytime you use it, a small fraction of the coating (a transparent oxide) is removed/abraded off - and that space is quickly filled with new oxide material - so the iron never "rusts" ... till recently, the "royals" could afford spoons made from silver or gold - and now we can all afford stainless steel - in many cases, better than silver and gold (to eat with anyway)
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