Engraving is the art of decorating and removing motifs on metal objects, especially copper, gold, brass and yell. In other words, drawing lines and motifs with a hammer on metal objects.Copper is more common in chalk art than other metals because of its softness and ductility.

Kalpouregan village, located in Iran, is what makes this village special and distinct is its exceptional and famous pottery. This pottery is known for its unique qualities among other kinds of potteries. The patterns and designs of pottery are completely geometrical and remind us of ancient earthenware designs. The decorations on the potteries are abstract symbols, handed down from one generation to another.