âSpoons come in many different sizes and are not precise enough to measure a childâs medication,â said pediatrician Ian Paul, MD, FAAP, lead author of the policy statement. âFor infants and toddlers, a small error â especially if repeated for multiple doses â can quickly become toxic.â.
Copper and bronze do not contain any iron, and only iron can rust (because rust is defined as iron oxide, a compound of iron and oxygen); so the answer is that steel will rust the fastest and copper and bronze will never 'rust'. But, yes, copper and bronze do tarnish, they do corrode.
How to Remove Rust from Metal. When metal has rusted, throwing it away and buying a replacement isn't always an option. You can remove rust using household ingredients such as aluminum foil and a mild acid like white vinegar, or with special rust-removing chemicals. With any rust-removing method, it will take some patience and some elbow grease to remove the rust.