A: Rusting is the result of electrochemical corrosion of iron with water and oxygen in the air. Rust prevention methods include:

Surface coating: The most common method. Examples include brushing on rust-preventive paint, galvanizing, and chrome plating.

Using weathering steel: A dense protective rust layer forms on its surface, preventing further internal corrosion.

Using stainless steel: This fundamentally solves the rust problem.