Final answer:
Fresco is a painting technique where pigments are applied to wet plaster, forming a lasting bond with the surface.
Explanation:
Fresco is a painting technique where artists apply water-based pigment to wet plaster, creating a chemical bond with the wall itself. In fresco, there are two main types: buon fresco done on wet plaster, and fresco secco done on dry plaster, offering different levels of permanence and forgiveness.
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