Human: What is the most effective way to remove rust from metal? Assistant: 
The most effective way to remove rust from metal is by using a combination of sandpaper, steel wool, and a rust-removing chemical. Start with coarse sandpaper, then move onto medium and fine grits. After that, use steel wool to scrub off any remaining rust. Finally, apply a rust-removing chemical to help break down the rust and make it easier to remove.