Building material, specifically non-metallic rigid pipe

Busts of crystal, china, ceramic, terra cotta, earthenware, glass, porcelain; Buttonhooks; Candle holders; Ceramic sculptures, vases, vessels, bowls, plates and pots; Coasters, not of paper or textile; Crockery, namely, pots, dishes, drinking cups and saucers, bowls, serving bowls and trays; Dishes and plates; Flower vases; Glass dishes; Glass mugs; Glass bowls; Household utensils, namely, pot and pan scrapers, rolling pins, spatulas, turners, whisks; Incense burners; Kitchen containers; Stat...