 
 <prompt> Wetin be di hotter version of zinc wey dem dey apply? Based on di question wey dey before dis one, write something wey get di answer inside. E fit be 1 - 20 sentences. Context: <response>: Zinc dey more reactive pass iron or steel so e go attract almost all di oxidation wey dey around until e corrode finish. A protective surface layer of oxide and carbonate (Zn5(OH)6(CO3)2) go form as zinc dey corrode. Dis protection go last even after di zinc layer don scratch but e go dey reduce as time dey go and di 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. 