37 Repairs of mixing machines, incubators for eggs, washing machines, dishwashers and tumble dryers, electric door closers, electric door openers, drain cocks, water heaters being parts of machines, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, in particular for industrial kitchens, electric and gas apparatus for kitchen and industrial kitchen installations; repairs of systems for distributing plates and systems for storing and serving foodstuffs and prepared dishes, formed of automatic fermentation apparatus or blast chillers or blast freezers or refrigerators and freezers or cooling tables or gas and electrical apparatus, anti-splash tap nozzles, bath fittings, pipe line cocks being spigots, feeding apparatus for heating boilers, filters for drinking water; repairs of furnace grates, shaped fittings for furnaces, kiln furniture, loading apparatus for furnaces, mixer taps for water pipes, oven fittings made of fireclay, regulating accessories for water apparatus and pipes, safety accessories for water or gas apparatus and pipes, structural plates for ovens, taps, toilet seats, washers for water taps, pipes being parts of sanitary installations, hot air bath fittings, pipe line cocks, furnace grates, fire bars; repairs of aerators for taps, regulating and safety accessories for water apparatus, extractor hoods for kitchens, ventilation hoods for kitchens, adjustable coated baffle grease filters being parts of cooker hoods, filters being parts of household or industrial installations; installation of incubators for eggs, washing machines, dishwashers and tumble dryers, electric door closers, electric door openers, drain cocks, water heaters being parts of machines, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, in particular for industrial kitchens, electric and gas apparatus for kitchen and industrial kitchen installations; installation of systems for distributing plates and systems for storing and serving foodstuffs and prepared dishes, formed of automatic fermentation apparatus or blast chillers or blast freezers or refrigerators and freezers or cooling tables or gas and electrical apparatus, anti-splash tap nozzles, bath fittings, pipe line cocks being spigots, feeding apparatus for heating boilers, filters for drinking water, furnace grates, shaped fittings for furnaces; installation of kiln furniture, loading apparatus for furnaces, mixer taps for water pipes, oven fittings made of fireclay, regulating accessories for water apparatus and pipes, safety accessories for water or gas apparatus and pipes, structural plates for ovens, taps, toilet seats, washers for water taps, pipes being parts of sanitary installations, hot air bath fittings, pipe line cocks, furnace grates, fire bars, aerators for taps, regulating and safety accessories for water apparatus; installation of extractor hoods for kitchens, ventilation hoods for kitchens, adjustable coated baffle grease filters being parts of cooker hoods, filters being parts of household or industrial installations and mixing machines; machinery installation, maintenance and repair; office machines and equipment installation, maintenance and repair; repair information of the aforesaid machinery