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MAP20071504696James, AndyTrack record / Andy James and John CarterAny material used in London Underground system should be non-combustible and, wherever possible, non reactive metal or ceramic should form the major part of station and structures that are underground. However, the use of such materials is not always practicable. As a result, organic-based materials, such as polymers, paper and fabrics, are also used, provided they meet strict criteria relating to flammability, smoke emission and toxic fume emissionEn: Fire prevention. - London. - October 2003 ; p. 51-531. Seguridad contra incendios. 2. Metropolitanos. 3. Materiales ignifugados. 4. Seguridad en el transporte. 5. Londres. I. Carter, John. II. Título.
