37 Installation, repair and maintenance of machines, machine tools, devices being kitchen equipment and production lines being industrial conveyor belt equipment used in food preparation; installation, repair and maintenance of lighting, heating, steam generating, cooking, refrigerating, drying, ventilating and water supply apparatus; consultancy relating to the maintenance and repair of pans, baking tins, baking trays and other equipment for the preparation of food, namely, baking ovens; maintenance and repair of pans, baking tins, baking trays and other equipment for the preparation of food, namely, food blenders and food mixers, and related to the application of coatings thereon; construction being installation and repair of computer hardware for computer systems; installation, repair and maintenance of computer hardware; camera repair and installation; installation and repair of scientific, photographic, cinematographic, optical, weighing, measuring, signaling, and supervision being checking instruments; installation, maintenance and repair of measuring, signaling and control equipment and instruments; rental of machine tools for construction, industrial machines and steam generating apparatus for cleaning and washing purposes; consultancy with regard to the aforesaid services; consultancy relating to the repair and maintenance of transport installations being vehicles for transportation and refrigeration installations being refrigerators; consultancy relating to the installation, repair and maintenance of conveying equipment; consultancy relating to the installation, repair and maintenance of cooling, heating, drying installations being heating, ventilation and air conditioning equipment, baking apparatus and food mixers; consultancy relating to the installation, repair and maintenance of food processing machines and machine tools, food manufacturing equipment machines, and bread-making machines, all for the food industry