7 Air-blast sprayers other than those manually operated; industrial spraying material and equipment, namely, power-operated spray guns; sprayers for liquid, powdery or fibrous products, namely, power-operated spray guns and electric guns for water, disinfectant and cleaner spraying and application; power-operated liquid droplet spraying apparatus; spray guns and power-operated pumps for liquid, water, disinfectant and cleaner spraying and application; hand-held spray guns as parts of machines operated otherwise than manually for liquid, water, disinfectant and cleaner application; spraying workshop equipment for pneumatic spraying, hydraulic spraying or electrostatic application of liquids, waters, disinfectants and cleaners, namely, power-operated spray equipment for the spraying and application of liquids, waters, disinfectants and cleaners; automatic electrostatic projectors for liquids, waters, disinfectants and cleaners; automatic spray guns being parts for machines for insecticide, fungicide, herbicide and liquid fertilizer application; hand-operated electric spray guns being parts for machines operated otherwise than manually for insecticide, fungicide, herbicide and liquid fertilizer application; pumps being parts for machines for spraying machines for insecticide, fungicide, herbicide and liquid fertilizer application; pumps being parts for machines, namely, parts of installations and machines for spraying; power-operated pumping devices for liquids, powders, fibers, namely, centrifugal pumps forming part of a stand-alone module for spraying machines; pumps being parts for machines for suction of liquids, powders and fibers; pressurized liquid delivery pumps being parts for machines; centrifugal pumps; liquid suction machines for industrial use; dust exhausting installations for cleaning purposes; machines for air suction and treatment; nozzles being parts for machines for spraying liquid, powdered or fibrous products; filters for spray nozzles being parts for machines or engines; power-operated mechanical reels for flexible hoses; power-operated mechanical tools, excluding agricultural machines and mechanical equipment, for preparing plant manure