a machine consisting of a vertically mobile liquid manifold filling system , and a horizontally mobile carriage for maneuvering pallets under a multi - head filler , for simultaneously filling entire pallet tiers of empty containers , such as 2 . 5 gallon metal or plastic jugs , bottles , or pails , 5 . 0 gallon metal or plastic jugs , bottles or pails , or 30 - 55 gallon metal or plastic drums , requires only the labor to lift and place empty containers onto a pallet , instead of the conventional physical handling and palletizing , of heavy , prefilled containers .