Flexible tubes, pipes and hoses made predominantly from non-metal material, for use in food and beverage manufacturing and processing applications; non-metallic couplings, connectors and fittings for hoses and hose pipes, for use in food and beverage manufacturing and processing applications; parts and fittings for the aforementioned goods, for use in food and beverage manufacturing and processing applications

prefabricated buildings not made primarily of metal

Concrete Placement Piping, Fittings, and Manually Operated Valves All Being Made Wholly or Principally of Metal