9 Computer hardware; computer software for use in computer aided design and modelling to design, simulate, and analyze electrical hydraulic systems, computer software for drawing electrical circuit and hydraulic systems design for use in electrical and hydraulic engineering, computer software to simulate and create virtual images for use in design and fault diagnosis of electrical and hydraulic systems; computer software for testing functionality and performance for use in electrical and hydraulic engineering, computer software for diagnosis of faults for use in electrical and hydraulic engineering, computer software for design, fault diagnosis and analysis of electrical and hydraulic systems for use in telemetry; computer software to analyze functionality and performance and generates status reports for use in design, manufacture and services; computer software for engineering, fabricating, manufacturing of electrical and hydraulic systems; computer software for calculating labor costs and tracking stock control for use in manufacture of electrical and hydraulic systems