7 Beverage processing machines; crushing machines for industrial purposes; extraction machines for industrial purposes, namely, beverage processing; brewing machines, namely, beverage processing machines for brewing beer, wine, distilled hard alcohol, kombucha tea, seltzer, and coffee; beverage processing machines of stainless steel and structural parts and fittings thereof; beer brewing equipment, namely, centrifugal pumps, heat exchangers being parts of machines, keg washing machines of stainless steel, electric grain mills, valves as machine components, and structural parts and fittings for the foregoing