Non-metal building materials, namely, concrete blocks; gypsum boards, aerated gypsum blocks, aerated gypsum panels, gypsum for use as building materials, aerated geopolymer boards, aerated geopolymer blocks, aerated geopolymer panels, and geopolymers for use as building materials; non-metal fireproof plates for use in building construction; non-metal rigid tubing and component part thereof; concrete; shuttering, not of metal, for concrete; gravel, sand, and grit in the nature of crushed sand;...