ALUMINUM IRRIGATION EQUIPMENT-NAMELY, PUMPS, MOTORS, MAIN LINES TO AND FROM THE WELL, VALVES, L'S, T'S, AND FITTINGS REQUIRED TO DELIVER WATER TO THE SPRINKLER SYSTEMS WHICH SPRINKLER SYSTEMS MAY BE UNDERGROUND, SURFACE, DRILL TYPE, SPRINKLER HEAD TYPE, OR FIRE HOSE TYPE, ALL SOLD AS A UNIT