MONITORING AND CONTROL EQUIPMENT FOR FARMING AND AGRICULTURE, NAMELY MONITORS FOR AIR OPERATED SEED PLANTERS, TACHOGRAPHS FOR FARM EQUIPMENT, GRAIN ANALYZERS, CONTROLS FOR MOBILE LIQUID SPRAYERS AND MOBILE SOLID MATERIAL SPREADERS; ELECTRONIC EQUIPMENT FOR AGRICULTURE, NAMELY SEED MONITORS, PLANTER MONITORS, SHAFT MONITORS, COMBINE MONITORS, GRAIN MOISTURE TESTERS, ACREAGE COUNTERS, AND WHEEL SLIPPAGE MONITORS; AC/DC CONVERTERS; AND PARTS FOR ALL OF THE ABOVE-MENTIONED GOODS