| http://www.w3.org/ns/prov#value | - The nozzle assembly may itself be moved around by a XYZ positioning system, thus providing 6 degrees of freedom to the nozzle head. [0071] Although nozzle assemblies having only a single or three nozzles have thus-far been illustrated, it is to be understood that a different number of nozzles could be used, depending upon the application, such as two, four or even more. [0072]FIG. 6 illustrates a
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