19 Ceramic building materials, bricks, and refractory products, namely, ceramic blocks, bricks, posts, piles, slabs, and panels; Concrete building materials, namely, concrete blocks, bricks, posts, piles, slabs, and panels; Cement and its products, namely, cement, cement posts and slabs, and cement mortar slates; Wooden building materials, namely, wooden posts, piles, slabs, and panels; Plastic building materials, namely, wallboards, floorboards, door casings, door frames, and door panels of carbon fiber plastics and plastics, fences of carbon fiber plastics and plastics, and plastic tiles; Synthetic building materials, namely, wallboards, floorboards, door casings, door frames, and door panels of synthetic materials; Rubber building or construction materials, namely, seismic isolators primarily made of rubber used in construction projects for buildings, bridges, and other manmade structures to help protect the structures from damages induced by seismic activities, wind, water, traffic, machines, and other vibration-causing objects and events in the nature of rubber guide bearings used to accommodate relative movement of buildings; Rockslide retention nets of textiles; Building materials made of synthetic resin, namely, wallboards, floorboards, door casings, door frames, door panels, and fences; Non-metal materials and hardware for building and construction for use as quake resistant or vibration damping materials, namely, seismic isolators primarily made of non-metal materials used in construction projects for buildings, bridges, and other manmade structures to help protect the structures from damages induced by seismic activities, wind, water, traffic, machines, and other vibration-causing objects and events and dampers to control vibrations induced by seismic activities, wind, water, traffic, machines, and other vibration-causing objects and events, primarily made of non-metal materials in the nature of guide bearings used to accommodate relative movement of buildings and braces; Non-metallic minerals for building or construction; Non-metal prefabricated building kits consisting primarily of ceiling and flooring panels, wall boards, flooring materials, and ceiling and flooring boards; Non-metal joinery fittings