Stepping and footing stones of concrete or wood for use in lawns and pathways; Wooden floor boards; Pre-fabricated non-metal dog houses; Non-metal balcony enclosures; Crash barriers, not of metal, for roads; Fences, not of metal; Non-metal barricades; Non-metal crowd control barriers; Portable non-metal traffic barriers in the nature of traffic drums; Portable non-metal traffic barriers in the nature of traffic channelizers; Non-metal lawn edging; Floor boards of wood; Non-metal subfloor panels; Non-metal parking curbs; Modular plastic decking to serve as a ground cover