Brainstuff
What do those diamond-shaped signs on buildings mean?
- Autor: Vários
- Narrador: Vários
- Editora: Podcast
- Duração: 0:03:16
- Mais informações
Informações:
Sinopse
The National Fire Protection Agency, or NFPA, uses these signs to indicate hazardous materials stored in an unknown building. Listen in to learn how the signs work -- and how they help firefighters -- in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.
