Various methods are employed to prevent rust from damaging metal objects. Physical protection involves creating a barrier, such as painting or applying plastic coatings, to shield the metal from environmental factors.
tin plating is used to
protect food containers (
tin cans)
nickel plating covers
iron or steel with a
protective layer of
nickel
Plastic Coating
Oil And Grease
moving metal such as a
bicycle chain cannot be
protected by painting as
the paint would quickly
wear away. Oiling the
chain keeps out air and
waiter and stoops it
rusting