Iipleyiti zokucoca ezizenzekelayo, ikeyiki yokucoca ngokukhupha ngesandla, ngokubanzi kumatshini omncinci wokucoca. Isetyenziswa kakhulu kudongwe lweceramic, i-kaolin, ukuhluzwa kwewayini etyheli, ukuhluzwa kwewayini yerayisi, amanzi amdaka amatye, kunye neshishini lezinto zokwakha.