42 Consultancy and planning for electric and electronic apparatus and equipment, checking (supervision) and control apparatus, for EDP cabinets, server cabinets for supply systems for EDP rooms, EDP cabinets, EDP servers, computers, power supply conduits, data lines, connector units, uninterruptible power supplies, electronic room, temperature, humidity and access control monitoring installations, control systems for computer centres, cooling systems for computer centres, distributing centres, precision measuring rooms and server areas, cooling systems for computer cabinets, server cabinets, and parts and assemblies therefor, air-conditioning systems, cooled ceilings, humidifying apparatus, electric fans, fan racks, fan units, air-conditioning apparatus, heat exchangers, drying, ventilating and water supply apparatus, fittings for water supply installations, and parts therefor