41. Its primary purpose is to provide warmth and thermal insulation through its synthetic or down insulation. 42. This is both for electrical and thermal insulation . 43. Lamps with a permanent vacuum envelope ( SOI lamps ) were developed to improve thermal insulation . 44. Their main function is to provide thermal insulation . 45. In all but the warmest waters, divers need the thermal insulation provided by wetsuits or drysuits. 46. Additional thermal insulation in the form of styrofoam sheets was applied to them in the early 2000s. 47. Wetsuits provide both thermal insulation and floatation. 48. Managers feared Endeavour might experience the same problem and had the thermal insulation surrounding those O-rings replaced. 49. Freshly painted thermal insulation in Three Main engine room had been set smoldering by hot steam lines. 50. Some specific products, such as slip rings or thermal insulation are offered also to non space customers
