Balustrades, not of metal; [ Crash barriers, not of metal, for roads; ] Fences, not of metal; [ Non metallic transportable buildings; Non-luminous and non-mechanical signs, not of metal; ] Palings, not of metal [ ; Plastic landscape edgings; Pre-fabricated non-metal stables; Refractory furnace linings, not of metal; Greenhouse frames, not of metal ]

Non-metallic windows and window frames