Analyze of chemistry tests for raw milk such as (determination of fat percentage, Acidity, PH, Protein, Density, Methylene blue test).Analyze of Incoming raw materials (Fats ,Oils , Nut, Cream, flour, Sugar, Cacao, Chocolate and Eggs ) to conduct the appropriate test for each raw material as (Humidity percentage, Fat percentage, Kreese test, PH, Peroxide test, Acidity test, The percentage of gluten in the flour, Solids).Chemical and microbiological analysis of factory samples.Microbiological tests such as (Total Bacterial count, Coliform, Escherichia coli, Staphylococcus aureus, Yeast and Mold, Salmonella).Samples of the product during manufacturing and final product.Withdrawal of swabs from the hands of workers and production lines.Prepare of Volumetric solutions, Standard solutions, Laboratory Reagents and Microbiological media.Chemical and Microbiological tests for water such as (TDS, PH, Hardeness of water, Total Bacterial count, Coliform, Escherichia coli).Control of storing of food.Determination of Critical control points (CCP,s).Determination of corrective actions and protective actions.Documentation of results and reporting to section head.