1- mechanical-electrical engineering component design 2- computational fluid mechanics, fluid structural interaction, 3- Finite element analysis, FEA, FEM 4- mechanism design, torque calculation, motion calculation, power calculation for electrical motor or moving element 5- steel structural design 6- pipe, pipeline, penstock, valve, pump and pump station design 7- detail and layout drawing, plan drawing, 2D & 3D drawing by CAD and Solidworks 8- programming by visual basic and C# 9- Translation of text German, English