Ever since man has started using iron and steel for structures, implements and tools, we have been combating the rust and corrosion that attacks it. There are several techniques that are commonly used.
Hot dip galvanizing tanks allow steel or iron pieces to be dipped in a series of processes which leave them coated in a zinc alloy. This process protects the pieces from rust and corrosion.
Galvanizing tanks must be rather large to hold the kinds of metal pieces that are typically treated. For example, lamp posts, fencing material, metal roofing materials, and piping are typical of the …