Engraving on metals (gold, silver and copper) is the engraving of shapes and symbols on the surfaces of these metals. They are used for adornment by women and men, and in same time are linked to customs and traditions. Also They are having cultural connotations related to beliefs and rituals; in particular with ritual protection.
The analogous stages for the development of food fermentations could be the gathering stage of fermented fruits and meats, the home fermentation of fruits and meats by simple storage at home, and finally, the domestication stage in which man interfered by manipulating various factors affecting the process of fermentation, such as the use of salt, spices and other additives to augment the flavour or even to direct the course of fermentation.
Jabana or Qahwa is a hot drink prepared, served and consumed in a particular ritual practice that is part of the Sudanese cultural heritage. The main constituent of the drink is coffee, previously named Kafa. Jabana is popular in most of Sudan especially the East where it is the favorite drink for men, women and children.