19 Construction materials, namely, energy conserving precast concrete slabs; Construction materials, namely, energy conserving concrete slabs; Construction materials, namely, concrete slabs designed to increase energy efficiency and energy conservation; Non-metal construction materials for the efficient construction of residential pods, prefabricated residential pods, residential units, and residential buildings, namely, asphalt pavement, pre-cast concrete fences, lumber, CMU blocks, glass doors and windows for building purposes, vinyl doors and windows, wood doors, drywall boards, cement boards, plastering compounds, vinyl flooring, ceramic and porcelain tiles, stucco in the nature of decorative concrete overlays, stone veneer, bricks, concrete ready mix, wood trims and baseboards, PVC trims and baseboards, stone and quartz countertops for further installation, modular kitchens and countertops for further installation, fiberglass panels