Use the fully closed system for loading or unloading, handling, transporting or storing cement and/or pulverized fuel ash and/or other raw materials other dusty.
The use of a fully closed system for loading or unloading or handling or transport or storage of cement and / or pulverized fuel ash and / or other dusty raw materials.
The use of fully closed system for loading and unloading, handling, transport, storage of cement, pulverized fuel ash and / or other raw materials, dusty the other.