How does the cement produce! What matter! Why did she get angry?
Cement - Inorganic cementitious materials Add water into the slurry after mixing, in the air or water hardening, and can sand, stone and other materials firmly cemented together Cement is an important building materials, made of cement mortar or concrete, durable and durable, widely used in civil engineering, water conservancy, defense and other projects
The production process of cement, limestone and clay as the main raw material, the broken, ingredients, grinding made of raw materials, feed into the cement kiln calcined mature material, add the appropriate amount of gypsum (sometimes mixed with mixed materials or admixture) Come into being
Fever is due to hydration heat phenomena (hydration, hydrolysis and crystallization and a series of effects)
