19 Building materials, namely, wood boards; Building materials, namely, semi-worked woods; Construction materials in the nature of nonmetal composite panels composed primarily of vinyl, wood, and polyurethane; Engineered hardwood flooring; Hard wood flooring; Hardwood flooring; Semi-worked wood; Wood boards; Wood sports floors; Wood dance floors made of hardwood; Wooden flooring; Athletic flooring; Dance flooring made of hardwood; Construction materials, namely, non-metal flooring materials; Construction materials, namely, non-metal materials for constructing floors; Flooring comprised of vinyl, wood, and polyurethane adapted for physical fitness activities; Flooring underlayments; Non-metal floors; Non-metal floors comprised primarily of vinyl, wood, and polyurethane for dance floors, sports arena floors, gymnasium floors, photography studio floors, exhibition space floors, convention hall floors, and showroom floors; Vinyl flooring