Generally speaking, ceramic tiles encompass any stiff tiles fashioned from natural earthy clays & hardened by fire. Porcelain & ceramic tile fall into this wider group. However, porcelain tiles have their own category in the current tile market because they fulfill a set of requirements.
Having a house with a good interior and exterior decoration is something to brag about. Most people usually value one over the other, making the balance between to two, actually rare to meet.
Skim coating is a texturing technique used to make a wall smooth. This technique is useful for hiding imperfections in constructions, to give the wall a plaster-like look.