If you need to remove rust from metal, there are several industrial products out present, but most of them are very well toxic. Many rust removers rely on several form of acid, any phosphoric or oxalic to do the job. If you opt to use them, it is key to don rubber gloves and follow directions and precautions on the label very precisely.

If toxic chemicals produce you nervous, you can find most of the rust removing products that can in safety remove rust from metal lacking fumes or rubber gloves. White vinegar, for example, facilitates like a charm. For small substance, like jewelry, just pour petty vinegar keen on a glass and let the objects have a usefulness soak. Once you see the rust has dissolved, just sponge down the jewelry off and dry. Vinegar can furthermore be used on bigger items, either pour it completely on, or spread it with a cloth. When the rust is dissolved, just wipe and rinse.

Baking soda is a further natural rust remedy. To remove rust from metal, make a paste of baking soda and water. Make sure the solution is pasty enough to adhere to the surface, then place it onto the metal and let it sit. Once the rust is loose, you can scrub it off. If the rust stains are awfully deep, they may need extra applications. Baking soda paste can also be used in a class of other ways around the house. It is a good substitute for many toxic household cleaners.

If you want to remove rust from metal and don't mind applying some elbow grease, you can try to remove rust from metal manually with sandpaper or some other type of coarse item, like steel wool. This may take a while though, and if the rust is very widespread, it may take quite a few attempts to get down to the clean metal.

Of course, it is best to not let your metals get corroded at all. Keeping your metals as dry as viable helps with prevention because it is water that sets the stage for rust to appear. Since prevention isn't always possible, especially if you live in a place with a lot of humidity, it's a good idea to attack rust right away before it starts eating away at the metal. Remember, the longer rust is left untreated, the harder it is to remove and the more severe the damage.
You can also try using lemon juice and Morton's salt to clean rust from a metal body. But you would need to rub the metal clean - sometimes it is too tough and hazardous to clean something in this way where you would need to depend on your rubbing strength a lot. To rub the metal body, you may use a piece of cotton, scrubber or metal wire wool (be careful while using wools).
If you are not content with these home made solutions, you can find some rust remover for metal tools and other metal items. These often work wonders if you can find the right cleaner for the right metal. You can trail the recommendations provided in the container or user manual to find out if that rust remover is the perfect one for you or not.