7 Agricultural and earth-conditioning implements, namely, harrows, harrow draw bars, harrow carts, harrow mounting arms and harrow three-point hitch tractor attachments; blowers, namely, rotary blowers for agricultural and industrial use; grain handling equipment, namely, blowing machines for the compression, sucking and carrying of grain, pneumatic grain conveyors, grain augers being earth augers, grain belt conveyors, grain aeration systems, being stored grain harvest drying machines, grain bagging machines, tillage equipment, namely, harrows, grain bag unloaders being unloading machines; tillage equipment, namely, harrows, tines, tillage tool bars and openers for air seeders, seedbed preparation equipment, namely, cultivators, harvesters, disk harrows, and seeders being seed drills and seed planting machines; blowers, namely, power-operated blowers for agricultural and industrial use