Originally an experiment done by the manure plate swung in a room measuring 80 * 50 * 60 meters and 25 centimeters in size pickup placed 0.5 meters away across the room.
Originally, experiments were carried out by the sow fertilizer with the plate cast in a 80 * 60 meters and drop size 50 arrive the truck *25 cm apart 0.5 meters. The entire room.