1
Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry.
granulated limestone for agricultural purposes; magnesium stone for agricultural purposes, namely, granulated dolomite and dolomitic limestone for powder fertilizers
19
Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal.
railroad ballast materials, namely, crushed stone, granite, basalt, trap rock, asphalt and limestone; magnesium stone building materials, namely, dolomite aggregates, dolomitic limestone and lime rock; building and construction materials not of metal, namely, crushed stone, sand, gravel, granite, limestone, trap rock, asphalt, concrete, basalt, lime rock, dolomite, dolomitic limestone, pre-cast portland cement; bituminous products for building, namely, hot mix asphalt and paving mixtures consisting of crushed stone, sand, gravel, granite, limestone, recycled asphalt pavement, recycled asphalt shingles, asphalt and cement; building stone; concrete building elements, namely, pre-cast portland cement and concrete; slag stone, clinker stone namely, cement kiln-fired stone in the nature of pre-cast concrete blocks; and lime stone