Reason: 1. If it enters people's eyes, mouth and nose by mistake, it will cause damage to people's eyes, respiratory tract and oral mucosa. Some skin contact will itch. In addition, if the body is on fire and sprayed on the skin, it is necessary to scar because the dry powder will form a glassy conjunctiva.
Anything that can be sprayed on people is domestic. Cars. It is best to choose a water-based fire extinguisher.