After the raw materials, it is necessary to dry.

The manufacture of cement consists of two stages. The first stage includes the manufacture of the clinker. The second stage includes the manufacture of powder clinker, to which gypsum and some additives are added. The largest cash costs are at the first stage of production. It accounts for about seventy percent of the cost of cement, because this stage includes the extraction of raw materials. In order to get limestone, it is necessary to make a small collapse of the mountain. Limestone is at a depth of ten meters, in this thickness there are four rows of limestone. Each of the layers reaches seventy centimeters. Having collected this raw materials, it is transported for grinding — it turns out pieces with a diameter of ten cm. After the raw materials, it is necessary to dry. When the limestone dries, it is again sent for grinding, while mixed with some components. The next step in production should be firing the resulting homogeneous mass. So the clinker turns out.