42 Technical planning for the construction of building and process engineering systems for building technology, electrical engineering, supply technology, environmental control, automation and media supply; building technology services, namely carrying out technical inspections of the functionality of building technology systems as well as the technical production and work processes; technical advice and technical planning for the implementation of work and production activities or processes in the field of microelectronics; technical advice and technical planning in the field of environmentally friendly microelectronics manufacturing; technical advice on the implementation of environmentally friendly microelectronics manufacturing; technical advice on the redesign of semiconductor factories; technical planning of semiconductor factories; technical planning of building and process engineering systems; industrial analysis and research services related to heating, ventilation and air conditioning systems of buildings.