美国纽约的西格玛医药公司,推出了一种名为“安全出口”的火灾逃生用透明尼龙袋。这种透明尼龙袋,由特种尼龙制成。它附有一条绳子。遇火灾时,逃生者只要将其套在头上,然后拉紧绳子,不仅可以防止浓烟窜入袋中,避免眼睛、喉咙等遭受浓烟的侵袭;而且袋内的空气,可以让逃生者维持7 Sigma Pharmaceuticals, New York, USA, introduced a transparent nylon bag for fire escape known as “Safety Exit.” This transparent nylon bag, made of specialty nylon. It is attached with a rope. In the event of a fire, the survivor just tucked it over his head and tightened the rope to not only prevent the smoke from fleeing into the bag, but also to prevent the eyes, throat and the like from being affected by the smoke; and the air in the bag allows the survivor Maintain 7