11 [ Machines for the brewery and beverage industry, namely, fermentation rooms, automated wort and fermentation production lines, whirlpools, wort coolers; equipment for cooling plants, namely, heat exchangers, refrigeration machines and refrigeration plants consisting of heat exchangers; air conditioning plant equipment consisting of heat exchangers and air conditioning units, sold as a unit; heat exchangers, particularly plate heat exchangers, shell-and-tube exchangers, heating jackets, banks of heating tubes, calorifiers, tube vaporizers, plate preheaters, spiral heat exchangers, plate evaporators; heat recovery units for utilizing waste heat during the cooling process; pasteurization, fermentation and cooling units for use in food and beverage processing ]