Angle irons, not of metal; Branching pipes, not of metal; Drain pipes, not of metal; Fences, not of metal; Greenhouse frames, not of metal; Non-metal water pipes; Palings, not of metal; Rigid pipes, not of metal; Turnstiles, not of metal; Water-pipe valves, not of metal or plastic

Angle irons, not of metal; Branching pipes, not of metal; Drain pipes, not of metal; Fences, not of metal; Greenhouse frames, not of metal; Non-metal water pipes; Palings, not of metal; Rigid pipes, not of metal; Turnstiles, not of metal; Water-pipe valves, not of metal or plastic