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Sodium bicarbonate. You moist a little baking soda with water and apply it on rusty objects. Rub with a toothbrush or sponge. Finally, rinse and dry well.
The vinegar of apples. Soak the rusty object in apple cider vinegar and let it soak all night. The next day, rub with a toothbrush or an abrasive sponge and then clean well. In case rust remains, repeat the whole process.
Lemon. It has a slight abrasive action that helps eliminate rust. Pour some salt over the rusty area and rub with half lemon. Repeat the treatment if necessary, until completely remove the rust.
Raw potato. It contains oxalic acid, a very effective agent in the removal of mold and rust. Rub a potato directly on the rust. To enhance the effects spread a little baking soda before rubbing.
Foil paper. Cut several pieces of foil, about three or four square centimeters, and soak in water. Rub the foil paper on the rusty metal several times if necessary: the rust will be away quickly.
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