3) combined method.

2) dry method. In this method, raw materials are initially dried, and then they are abused. The result is a shiht in the form of dry powder.

3) combined method. This method uses a combination of the two previous methods. In this method, the cement is made by two types. In the first form, raw materials are made by wet method, and then dried to a moisture content of 18 percent and placed in the furnace. In the second form, the dry method is initially used, and then water with water so that the material has 14 percent humidity. After the raw materials are burned.