Agricultural and horticultural equipment, machinery, implements and devices; agricultural and horticultural spraying, cropping and harvesting equipment, machinery, implements and devices; spraying equipment and machinery including field, broad acre, orchard and garden sprayers; sprayers and spray equipment for agricultural and horticultural use, including chemical, fungicide, herbicide and insecticide sprayers; self propelled agricultural and horticultural spraying equipment and machinery including chemical spraying machines; agricultural implements being trailer mounted; spraying machines in the form of trailers; chemical injection systems for agricultural machinery; spraying machines for use mounted on trailers or tractors