This invention relates to novel acetylcysteine compositions in solution, comprising acetylcysteine and which are substantially free of metal chelating agents, such as EDTA. The golf ball comprises a core and a cover layer, wherein the cover layer provides one or more deep dimples that extend through the cover layer to andor into a layer or component underneath are disclosed. An aggregate line interface establishes an STM path on a communication link and a number of packet paths within the STM path. The first port is located in the first controller and has a first link speed. The printhead assembly also comprises a printhead which, in turn, comprises at least one set of ink inlets.