Joke Collection Website - News headlines - In oil depots, flour mills, textile mills, coal mines and other places, "No Fireworks" signs are posted. Why?

In oil depots, flour mills, textile mills, coal mines and other places, "No Fireworks" signs are posted. Why?

Because the air in oil depots, flour mills, textile mills and coal mines is often mixed with combustible dust or combustible gas, there is a danger of explosion in case of open fire, so fireworks are strictly prohibited.

So the answer is: the air in oil depots, flour mills, textile mills and coal mines is often mixed with combustible dust or combustible gas, which is in danger of explosion in case of open fire, so fireworks are strictly prohibited.