21. Authorities have not determined a cause but are focusing on the airplane's wiring and insulation material . 22. The company also provides electrical and insulation materials . 23. Keep the insulation materials away from electric fixtures. 24. The outermost layer is usually simply an insulation material , " e . g . ", mineral wool. 25. The factory makes insulation material for houses. 26. Insulation Materials has two factories in the United States, one in New York and one in Connecticut.27. Copper winding wires in transformers are compatible with all modern insulation materials , such as lacquer and enamel. 28. Even Owens Corning figures its sales of building insulation materials will rise as energy conservation becomes more important. 29. Finally in 2000 Izocam began producing flexible rubber insulation materials in Eskisehir, under the license from Armacell GmbH. 30. It's the magic insulation material ."
