1
chemicals for use in concrete, namely, calcium carbonate, concrete admixtures and set accelerating agents
5
pharmaceutical preparations, namely, denture adhesives and filling materials for stopping teeth, domestic and agricultural pesticides
7
machines and machine tools, namely, cemented carbide tools, namely, throw-away chips or turning tools for lathe for wear-resistant applications; power operated coating and painting machines, namely, air brushes, spray guns, and concrete mixing machines
9
electrical and scientific apparatus, namely, concrete and cement testing machines and instruments, namely, compressive strength testing machines, frost-resistant testing machines and replacement parts for all of the aforesaid
11
heating products, namely, kilns
19
non-metallic building materials, namely, silica stone, limestone, gypsum, cement mixes, cement products, namely, concrete blocks, concrete poles, and non-metallic casting forms for manufacturing concrete products