在试图开发一种用于飞机燃料管的新型橡胶时，3m公司曾有人把一些乳胶洒在了鞋上，结果发现它具有防水功能。
While trying to develop a new kind of rubber for aircraft fuel lines , someone at 3M once spilt some of the latex on a shoe and discovered it was water resistant .
洒鞋