37 Installation and repair of machines for processing fluids and solids, industrial cleaning apparatus, spraying apparatus, mixing apparatus, homogenising apparatus, atomising apparatus, decontamination apparatus, disinfecting apparatus, heat exchangers, food dehydrators, commercial cooking ovens, desalination units, outboard motors, fluid operated conveyors, macerator pumps, fire-extinguishing apparatus, heating apparatus, steam generating apparatus, cooking apparatus, ventilation apparatus, refrigeration apparatus, water treatment apparatus, humidifying apparatus, watering apparatus, ice and snow making apparatus, fluid scrubbing apparatus, apparatus for locomotion by water, machines for emulsifying and separating fluids and solids, electric accumulators, voltage regulators, electrical controller machines for commercial use and industrial liquid processors, industrial boiling apparatus for the cooking of foodstuffs and beverages; Providing information in the fields of the installation and repair of machines for processing fluids and solids, industrial cleaning apparatus, spraying apparatus, mixing apparatus, homogenising apparatus, atomising apparatus, decontamination apparatus, disinfecting apparatus, heat exchangers, food dehydrators, commercial cooking ovens, desalination units, outboard motors, fluid operated conveyors, macerator pumps, fire-extinguishing apparatus, heating apparatus, steam generating apparatus, cooking apparatus, ventilation apparatus, refrigeration apparatus, water treatment apparatus, humidifying apparatus, watering apparatus, ice and snow making apparatus, fluid scrubbing apparatus, apparatus for locomotion by water, machines for emulsifying and separating fluids and solids, electric accumulators, voltage regulators, electrical controller machines for commercial use and industrial liquid processors, industrial boiling apparatus for the cooking of foodstuffs and beverages; Advisory and consultation services in the fields of the installation and repair of machines for processing fluids and solids, industrial cleaning apparatus, spraying apparatus, mixing apparatus, homogenising apparatus, atomising apparatus, decontamination apparatus, disinfecting apparatus, heat exchangers, food dehydrators, commercial cooking ovens, desalination units, outboard motors, fluid operated conveyors, macerator pumps, fire-extinguishing apparatus, heating apparatus, steam generating apparatus, cooking apparatus, ventilation apparatus, refrigeration apparatus, water treatment apparatus, humidifying apparatus, watering apparatus, ice and snow making apparatus, fluid scrubbing apparatus, apparatus for locomotion by water, machines for emulsifying and separating fluids and solids, electric accumulators, voltage regulators, electrical controller machines for commercial use and industrial liquid processors, industrial boiling apparatus for the cooking of foodstuffs and beverages