Provided is a nozzle for an injector including a nozzle body disposed interiorly of an air swirler, the nozzle body including a plurality of sets of multiple exit orifices arranged in an annular array with the orifices of one set alternating with the orifices of another set, wherein the plurality of exit orifices terminate at an end face of the nozzle body upstream of a common prefilmer orifice. The systems of the invention may include such components as auction clients for market participants to provide best prices and an auction module to coordinate auctions. If the object is a text object, a determination is made if the color of the object is black. The generator also includes a substantially flat face and leveling devices for leveling and orienting the generator onto a flat surface.