7 Agricultural implement replacement wear parts, namely, rotary tiller blades, flail mower knives and structural hardware thereof; farm machinery, namely, cultivators, harvesters, disc harrows, seeders; agricultural and horticultural machinery, namely, spray rigs, cultivators, bed preparation equipment in the nature of tillers, seedling transplanters, cutting machines, and turf equipment in the nature of aerators, fertilizer applicators, tractor-towed applicators