For outside appearance and environmental protection, components usually require surface finishing in electro-plating (chrome, nickel, copper, silver or gold), anodizing or powder coating.
Ukubukeka kwangaphandle nokuvikelwa kwemvelo, izingxenye ngokuvamile zidinga ukuqeda indawo ku-electro-plating (i-chrome, i-nickel, ithusi, isiliva noma igolide), i-anodizing noma i-powder coating.