7 Non-manually operated, power-operated large instruments and farming equipment for agricultural, viticultural and horticultural use, namely, portable, towed or automotive spraying units in the nature of spraying machines, diggers in the nature of power-operated chain-type trenching machines for digging trenches, leaf spreaders, soil eliminators, leaf strippers, shredders, cutting dividers, hoeing machines, plows, milling machines, tractor-towed harrows, motorized cultivators; non-manually operated farming equipment for the protection of plants against pests, namely, tractor-towed applicators and spraying machines of insecticides, fungicides, herbicides and liquid fertilizers; machines for spraying liquid, powdery or fibrous products; power-operated air-blast sprayers other than those manually operated; agricultural liquid spraying machines for industrial use; agricultural implements other than manually operated, namely, power-operated spray nozzles, power-operated spray guns, power-operated spray lances, power-operated spray booms; vertical air- blast spraying ramps for spraying liquid on vines; self-propelled, drawn, suspended or mounted machines and apparatus and parts thereof for use in agriculture, namely, for seeds and plant care, in particular, spreaders of manure and lime, seeders, planters, beet diggers; self-propelled, drawn, suspended or mounted machines and apparatus and parts thereof for use in agriculture for the protection of plants, in particular vaporizers and mist blowers, vaporizers and mist blowers for vines, motor spraying units in the nature of spraying machines for fruit trees for spraying insecticides, fungicides, herbicides and liquid fertilizers, and excluding air/oil separator for machines, namely, air compressors