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Quartzite which is used in glass industry as raw material includes useful and harmful components. Grades of SiO2 (Silicon Dioxide) the useful component and Fe2O3 (Iron (III) Oxide) the harmful component effect the product quality significantly due to the method of glass production. Furthermore, it’s necessary to determine grade distribution of quartzite ore body, to gain optimum benefit from the ore body that assessed by quality distribution. It is required that to mix high grade and low grade ore bodies togethe...

One of the main subjects of the contemporary project or production/operations management is to make decision. In order to be successful, managers should use modern planning methods. Application of an accepted investment project is as important as its design. As the sources are limited eventually the accepted project which is designed with spending great sources and effort should be completed on time, it is necessary to use them efficiently and cleverly. One of the distinguishing features of contemporary project ma...