[ Nonmetallic construction elements, namely, beams not being of metal, non-metallic rails, railway sleepers being supports for railway tracks not of metal, and building materials not of metal, being composite panels composed primarily of nonmetal materials, pre-cast concrete wall form, cementitious material, concrete poles, and reinforcing materials not of metal for buildings and building purposes, all for use in manufacture of parts for conveying and transporting devices as well as for rail ...

Conveying installations and machines, namely, belt conveyors, conveyors, roller conveyors, chain conveyors, and structural parts and fittings thereof, namely, conveyor belts, pulleys, driving machines, containers, troughs, blades, wiring gutters, loading hoppers, line rails, guide ways, belts and elevating apparatus for loading conveying installations