So in 1966, a group of engineers and designers at Dow Chemical set out to create the best possible icon for biohazardous materials.

因此，在 1966 年，陶氏化学的一群工程师和设计师着手为生物危害材料创建尽可能最好的图标。

And I don't operate, so I don't have like blood splatters which would be biohazardous material to wear out into the real world.

而且我不做手术，所以我没有血液飞溅之类的东西，这些东西在现实世界中会成为生物危害物质。