Floors, not of metal; Jalousies, not of metal; Stained-glass windows; Window frames, not of metal; Windows, not of metal; Construction material, namely, fiberglass board; Construction material, namely, fiberglass faced panels; Construction material, namely, fiberglass faced sheathing; Construction material, namely, fiberglass panels; Non-metal windows and doors; Plastic reinforced wall panels for use as sound and light barriers; Stained glass windows; Underground tornado shelters made of fibe...