Answer:
Alloying (co -depositing)
Step-by-step explanation:
Coating:
Coasting is a process to protect the metal from corrosion and other defects. Due to presence of moisture in the atmosphere one layer of oxide form on the surface of metal and due to this metal loos it strength.
Steel is coated by tin to prevent the steel from rust . Alloying is the best method for tin coating .Generally alloys like tin lead,tin copper etc.