Developing and raising production efficiency to double by establishing a complete concentration stage in a concentrator evaporator, with its design, installation and installation of pipes and a central pump to recycle the product during the evaporator stage, which contributed to raising production capacity from 90 tons per day to 180 tons per day in addition to a procedure Corrective maintenance work for the rest of the factory equipment, such as sorting sorters, product shredding knives and whole factory pumps ……………………………… ……….. Experts Center for Constructions, Beni Suef.