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A passive fire protection system for the protection of vertical walls against flames and heat in a severe total environment type fire, the system including a multi-layered, flexible material containing at least one layer of intumescent material. This multi-layered material is configured such that it

A passive fire protection system for the protection of vertical walls against flames and heat in a severe total environment type fire, the system including a multi-layered, flexible material containing at least one layer of intumescent material. This multi-layered material is configured such that it provides a containment system for the carbonaceous foam resulting from the expansion of the intumescent. The system further includes an installation process whereby the attachment of this multi-layered material to vertical surfaces is protected from the extreme heat of a fire.

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A passive fire protection system for the protection of vertical walls against flames and heat in a severe total environment type fire, the system including a multi-layered, flexible material containing at least one layer of intumescent material. This multi-layered material is configured such that it

A passive fire protection system for the protection of vertical walls against flames and heat in a severe total environment type fire, the system including a multi-layered, flexible material containing at least one layer of intumescent material. This multi-layered material is configured such that it provides a containment system for the carbonaceous foam resulting from the expansion of the intumescent. The system further includes an installation process whereby the attachment of this multi-layered material to vertical surfaces is protected from the extreme heat of a fire. es an isomorphic mapper. 4. Apparatus, as claimed in claim 1, wherein said coding comprises Reed-Solomon coding. 5. In a communication system employing polynomial generated error-correction coding, apparatus comprising in combination: an encoder operable to generate code words of a first form compatible with a first field polynomial; a decoder comprising logic gates operable to decode code words of a second form compatible with a second field polynomial selected to reduce the number of said logic gates, said logic gates performing multiplication of polynomials of the form a(x) and b(x) by multiplication of the polynomials modulo said second field polynomial of the form a(x)b(x) mod p(x) where p(x) represents said second field polynomial; and a converter operable to convert the code words of the first form to code words of the a second form before said code words of the second form are decoded by the decoder. 6. Apparatus, as claimed in claim 5, wherein said logic gates comprise AND gates and EXCLUSIVE OR gates. 7. Apparatus, as claimed in claim 5, wherein said converter comprises an isomorphic mapper. 8. Apparatus, as claimed in claim 5, wherein said coding comprises Reed-Solomon coding. 9. In a communication system comprising polynomial generated error-correction encoding apparatus comprising logic gates, a method comprising in combination: generating code words of a first form compatible with a first field polynomial selected to reduce the number of said logic gates, said generating comprising multiplication of polynomials of the form a(x) and b(x) by multiplication of the polynomials modulo said first field polynomial of the form a(x)b(x) mod p(x) where p(x) represents said first field polynomial; decoding code words of a second form compatible with a second field polynomial; and converting said code words of the first form to code words of the second form before the code words of the second form are decoded. 10. A method, as claimed in claim 9, wherein said logic gates comprise AND gates and EXCLUSIVE OR gates. 11. A method, as claimed in claim 9, wherein said converting comprise isomorphic mapping. 12. A method, as claimed in claim 9, wherein said code words comprise Reed-Solomon code words. 13. In a communication system employing polynomial generated error-correction decoding apparatus comprising logic gates, a method comprising in combination: generating code words of a first form compatible with a first field polynomial; decoding code words of a second form compatible with a second field polynomial selected to reduce the number of said logic gates, said logic gates performing multiplication of polynomials of the form a(x) and b(x) by multiplication of the polynomials modulo said second field polynomial of the form a(x)b(x) mod p(x) where p(x) represents said second field polynomial; and converting the code words of the first form to code words of the a second form before said code words of the second form are decoded by the decoder. 14. A method, as claimed in claim 13, wherein said logic gates comprise AND gates and EXCLUSIVE OR gates. 15. A method, as claimed in claim 13, wherein said converting comprises isomorphic mapping. 16. A method, as claimed in claim 13, wherein said code words comprise Reed-Solomon code words. 17. In a communication system employing polynomial generated error-correction coding, apparatus comprising in combination: an encoder comprising logic gates including AND gates and EXCLUSIVE OR gates operable to generate code words of a first form compatible with a first field polynomial selected to reduce the number of said logic gates; a decoder operable to decode code words of a second form compatible with a second field polynomial; and a converter operable to convert said code words of the first form to code words of the second form before the code words of the second form are decoded by the decoder. 18. In a communication system employing polynomial generated error-corr