FIRING (7) Heating in pottery.
Firing: in pottery is the heating up of a ceramic product to a certain temperature. There are many types of clays and methods of decorating which mature with different degree of heat. There are two stages in the process of firing. First; when the kiln is turned on and the heat goes up at a controlled speed to the required temperature and second; when the kiln has been turned off and the temperature is cooling down. There are different methods of firing in pottery: gas, wood, sawdust, oil, coal, coke and electric.