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 devices for the preparation of food, namely, food blenders, food mixers, and related to the application of coatings thereon; 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; consultancy with regard to the aforesaid services; consultancy relating to the repair and maintenance of transport installations 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 and ventilation 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