material and manufactured articles of artificial and natural stone excluding cementitious materials, bagged and bulk cement, ready-mix and specialist blended cements, namely, tiles, baseboards, slabs for floating floorings, and wall panels

hardscaping services; construction and installation of water features, retaining walls, outdoor living spaces, fire pits and fire places, patios, walkways, stairs, steps, commercial displays, mailboxes, landscape edging and curbing, slides, bridges, and pool, spa and hot tub decks; renovation in the field of concrete patios, walkways, driveways, stairs, steps, bridges, and pool, spa and hot tub decks