AGRICULTURAL AND MATERIAL HANDLING EQUIPMENT-NAMELY, LOADERS, HAY RAKES, BALE ACCUMULATORS, [ STALK SHREDDERS, DEFOLIATORS, MULTI-PURPOSE WAGON-TYPE VEHICLE FOR HAULING, MIXING AND UNLOADING FARM FEED, GRAIN, FORAGE AND THE LIKE, ] MANURE SPREADERS, GRINDER-MIXER MILLS [ , BEET AND POTATO HARVESTERS, BEET TOPPERS, FORAGE HARVESTERS, TRAILER OR TRUCK MOUNTED VEHICLE FOR HANDLING AND MOVING STACKS OF HAY, FRUIT AND NUT TREE SHAKERS, AND SELF-PROPELLED PIVOTAL IRRIGATION SYSTEMS ]