treatment of materials; namely, treatment of waste materials, including hazardous waste and toxic or radioactive materials, by encapsulation of the waste materials; immobilization of chemical contaminants by encapsulation of the chemical contaminants in a settable composition; recycling and/or disposal of encapsulated waste and/or immobilized chemical contaminants

non-metallic building products formed from concrete-like materials, namely bricks, blocks, pavers, roof tiles, roof shingles, floor, wall and ceiling tiles, wall boards, panels, slabs, posts, poles, pylons, fences, walls, artificial timber, pipes, railway sleepers, skirting boards, architraves, cornices, window reveals and door jambs; slabs and foundations formed from concrete-like compositions; statues and monuments formed of non-metallic, concrete-like materials; pre-fabricated wharves, mar...