designs are best applied while the clay is in this soft state Many materials may be used to impart texture such as a coarse twisted cord This was perhaps the earliest form of decoration used by primitive man
It is a form of decoration where by marks are made by impressing objects into the clay surface any object can be used for imprsssed decoration and it is done while the clay is still soft enough to tkae the impressions without cracking or splitting yet firm enough to give crisp definition Kiln An oven which can withstand high temperatures thta is used by potters to fire pottery there are many different types of kilns and different fuels are used to build up heat in the chamber where the pots stand