Walk to a few meters, a fire extinguisher is suitable
In different fire types and risk level sites, maximum protective distance of fire extinguisher is required in a fire (solid fire) place, fire danger rating a serious risk level, risk level, risk level of light, portable fire extinguishers are 15m, 20m and 25m, cart type fire extinguisher turn a lost.
In the B, C fire (liquid, gas fire) places, portable fire extinguishers are 9m, 12M, 15m, and push type fire extinguisher doubled. And a fire extinguisher placement point shall not exceed 5 extinguishers.