42 Engineering services; inspection of machines, pumps, turbines, compressors, generators, armatures, motors, electric and electronic apparatus and installations for control systems and automated or partly automated industrial operations composed of the aforesaid goods for quality control purposes; technical planning in the nature of technical project planning of plants and electronic controls thereof, namely, water and wastewater plants and power plants; technical calculation of machine energy efficiencies, energy consumption, energy costs, and maintenance intervals related thereto; technological consultancy in the technology field of mechanical engineering, computer technology, and software applications; material testing and functionality testing of machines; technical research and development, for others, in particular conducting scientific experiments and analyses; rental of electric or electronic apparatus for controlling and regulating machines, pumps, fittings, motors, and engines; conducting scientific surveys in the nature of expert reports, analyses and studies in the field of mechanical engineering, computer technology, and software applications; measurement evaluation services for industrial applications to reveal energy and cost saving potential; technical inspection services of machines for irrigation, drainage, water supply, waste water treatment, and industrial applications in the field of process engineering, chemical industry, marine applications, mining, pumps, turbines, compressors, generators, armatures, motors, technical and electronic installations for control systems in the field of energy efficiency; technical support services, namely, providing computer facilities for the downloading of digital data; providing technical advice in connection with energy-saving technology; engineering services, namely, conducting technical project studies and technical data analysis services; data warehousing; engineering services for the analysis of machinery; providing temporary use of web-based non-downloadable software applications for operating and managing networked devices for industrial use, namely, HVAC systems; providing virtual computer systems through cloud computing