Building materials, namely, semi-worked woods; Portable dance floors; Portable gazebos not primarily of metal; Portable non-metal buildings; Portable non-metal free-standing barriers; Portable non-metal levees; Portable non-metal structures to provide temporary privacy for changing and toilet purposes; Portable non-metal traffic barriers; Portable non-metal traffic barriers in the nature of traffic barrels; Portable non-metal traffic barriers in the nature of traffic channelizers; Portable no...