You don't have to toss out bolts just because they've developed a layer of rust. In many cases, that old, corroded hardware can be brought back to life with a little patience and the right approach.

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Create a paste with equal parts salt and vinegar to clean fridges and remove rust and limescale. Soak on laundry or tools in salt and vinegar to soften denim, brighten colors, and treat mildew and ...