human
Is there a way to remove rust from metal objects without using harsh chemicals?
assistant
Yes, there are several ways to remove rust from metal objects without using harsh chemicals. These include sanding, wire brushing, pickling, and electrolysis. Sanding can be done with either an abrasive paper or a sanding block. Wire brushing is another method that uses a brush to scrape away the rust. Pickling involves immersing the object in a solution of vinegar and water for a few hours. Electrolysis involves applying an electrical current to the rusty surface which causes it to break down.