42 TECHNICAL CONSULTANCY IN THE FIELD OF COMPUTER HARDWARE AND COMPUTER SOFTWARE FOR USE IN CONSTRUCTION, BUILDING CONSTRUCTION, HOUSE BUILDING AND FOR USE IN INSTALLATION, MAINTENANCE AND REPAIR OF BUILDING CONSTRUCTIONS, HOUSES, SANITARY INSTALLATIONS, ELEVATORS AND ELECTRIC APPLIANCES; INSTALLATION, MAINTENANCE AND UPDATING OF COMPUTER SOFTWARE FOR USE IN CONSTRUCTION, BUILDING CONSTRUCTION, HOUSE BUILDING AND FOR USE IN INSTALLATION, MAINTENANCE AND REPAIR OF BUILDING CONSTRUCTIONS, HOUSES, SANITARY INSTALLATIONS, ELEVATORS AND ELECTRIC APPLIANCES; CREATING AND MAINTAINING WEB SITES FOR OTHERS IN THE FIELD OF CONSTRUCTING, BUILDING CONSTRUCTING AND HOUSE BUILDING; RENTAL OF COMPUTER HARDWARE AND COMPUTER SOFTWARE FOR USE IN CONSTRUCTION, BUILDING CONSTRUCTIONS, HOUSE BUILDING AND FOR USE IN INSTALLATION, MAINTENANCE AND REPAIR OF BUILDING CONSTRUCTIONS, HOUSES, SANITARY INSTALLATIONS, ELEVATORS AND ELECTRIC APPLIANCES