دراسة جدوى استرشادية لانشاء مصنع انتاج ادوات المائدة من ...
After glazing, the tile must be heated intensely to strengthen it and give it the desired porosity. Two types of ovens, or. After forming, the file is dried slowly (for several days) and at high humidity, to prevent cracking and shrinkage. Next, the glaze is applied, and then the tile is fired in a furnace or kiln.