 
 <prompt> If dem be emotional people, who go dey emotionally repressed among iron, steel and zinc? Given di last question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Zinc dey more reactive pass iron or steel so e go attract almost all local oxidation until e finish dey corrode. A protective surface layer of oxide and carbonate (Zn5(OH)6(CO3)2) dey form as zinc dey corrode. Dis protection go last even after the zinc layer dey scratch but e go dey reduce as time dey go and zinc dey corrode finish. Dem dey apply zinc electrochemically or as molten zinc by hot-dip galvanizing or spraying. Galvanization dey use for chain-link fencing, guard rails, suspension bridges, lightposts, metal roofs, heat exchangers, and car bodies. 