Brewing of beer; Brewing services

Dissolvable foam making and applying apparatus for foam marking and/or dropping devices, being goods included in this class, but not including two-pack plastic foam making apparatus and parts and accessories therefor; parts and accessories in this class for the abovementioned dissolvable foam making and applying apparatus, including pumps, compressors, containers, valves, and hydraulic, pneumatic, and hardware components for use in such apparatus