Put marine jelly in the bowl and dip all the metal parts of the sewing machine in it. Leave it for 15 minutes let the rust move far from all the removed metal parts.After 15 minutes select all the parts one by one and rub it with the aid of brushes or tooth brush. Usage little pins or toothpick to clean up the thin lines of the parts. Constantly utilize gloves when you are putting hand in the marine jelly box due to the fact that it is phosphoric acid and can trigger you numerous allergic reactions. Usage just when you have all the defense devices with you.Learn more: