6 metal building materials for the installation of sanitary appliances, namely, frameworks, rails, bars, structural plates, and pipes
11 sanitary apparatus and plumbing fixtures, namely, water closets, bowls and tanks, urinals and tanks, flush valves and actuators, floatcocks, traps, pipe fittings and parts for the above mentioned products
19 non metal building materials for the installation of sanitary appliances, namely, frameworks, rails, bars, structural plates and pipes