Khatam work is an art that is done by hand. Khatam is a cover that is obtained by putting together colored woods such as jujube wood, orange wood, ebony, brass alloy, and camel bone. Of course, in small pieces and in equilateral shape.
Khatam work is done in Isfahan, which is one of the big cities of Iran
Turquoise Kobi is an art that is done by hand, placing turquoise stone in small pieces on metals such as brass, copper, silver, bronze in a hexagonal shape.
The more regular it is, the more valuable it is. Today, the center of this art in Iran is the city of Isfahan.
Etching is an art that is done by hand with hammer and pen tools and by tapping on metal, such as etching on gold, silver, copper and brass.