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A.    Seal coating: This coating is useful for the protection of tablets.
B.    Examples: shellac and zein
C.    Sub coating: In this layer binder and inert materials are increase the weight.
D.    Examples: kaolin and caco3 are used as sub coating materials
E.    Syrup coating: In this layer simple syrup, colorants and plasticizers are used.
F.    Finishing: This is to observed imperfection.
G.    Polishing:  For glossy appearance. In this layer waxes are used to polishing.
H.    Example: bees wax, carnauba wax