Apart from wooden moulds, special moulds of plaster of Paris or templates of zinc are used. Fine sand is sprinkled on the inside surface of the mould and the clay is then pressed in the mould with the hand.
Apart from wooden moulds, special moulds of plaster of Paris or templates of zinc are used. Fine sand is sprinkled on the inside surface of the mould and the clay is then pressed in the mould with the hand.
Leave a Reply