DSA is rich in engineering knowledge and employed the following disciplines: - Metallurgical and mechanical engineering which focus on structural design, stress analysis, structural analysis, loads analysis and certification; - Industrial engineering which focus on programme industrialisation and manufacturing processes (aeronautical, mechanical and chemical engineers); - Chemical engineering which focuses on the development, certification and monitoring of chemical processes such as water and effluent treatment, electroplating of steel, conversion treatments for aluminium, painting, analytical and physical process control testing.