19 Crash barriers not of metal; crash barriers of plastic for roadways; Plastic reusable energy absorbing crash barriers, not of metal; non-metal barricades for traffic control;highway safety devices comprised of vehicle energy absorbing systems, namely, crushable concrete crash cushions; hollow plastic crash barriers that can be filled with a ballast material and used to control vehicle and pedestrian traffic; motor vehicle crash cushions, not of metal, consisting of crushable cartridges surrounded by a corrugated steel guardrail; Polyester anchoring system primarily comprising grout in the nature of resin and hardener grout mixture and also comprised of metal anchoring bolt, for use in highway crash barriers, sign supports, and guardrails; vehicle crash barriers and roadway crash barriers made primarily of plastic; Non-metal highway, road, and railroad railings and vehicle crash cushions being crash barriers; road safety guidance systems for roadway delineation, comprised principally of non-metal delineator posts, guardrail delineator posts, and sign posts; traffic delineators, namely, portable non-metal traffic barriers; Sand filled vehicle crash barriers, not of metal