Why can't you throw firecrackers into the well?

1. The power of the cannon is relatively strong. The cannon will blow up the manhole cover, but the harm will not cause the child to be thrown into the air. However, it will make a loud noise, and the manhole cover may injure people around it, causing Unnecessary losses, etc.

2. Domestic sewage, feces and other organic matter in the well decompose to produce methane and other combustible gases, commonly known as biogas, which may cause explosions when exposed to open flames. There is a lot of combustible gas in the well, especially when the mixing ratio of combustible gas and air reaches the explosion limit, the impact force can be very large. In this case, it will bounce people around, causing damage.

Extended information:

Precautions for setting off firecrackers:

1. Stay away from explosive items.

When setting off firecrackers, you should stay away from flammable and explosive objects, such as firewood piles, gas tanks, etc. Once dangerous consequences occur, the consequences will be unimaginable.

2. Place it securely before setting it off.

When setting off firecrackers, they should be hung high or placed in a safe open space. At the same time, pay attention to whether there is anyone around. If there is someone, don't let it go. When setting off firecrackers, be sure not to hold them with your hands, otherwise the firecrackers will easily explode in a very short period of time, with disastrous consequences. Firecrackers are usually ignited with incense sticks, and lighters or matches are rarely used. Special care should be taken when using open flames.

3. Stay away from the crowd.

When setting off firecrackers, people should stay as far away as possible and not get closer out of curiosity. If the sound of firecrackers is too loud, you should also cover your ears with your hands.

4. Come closer after a while.

After the firecrackers are lit, there may be firecrackers that have not exploded temporarily. You should wait a while before approaching, but do not approach immediately. It is best to wait 15 minutes before approaching to check the situation.

5. Children must set off firecrackers under the supervision of their parents.

Parents should note that children who are too young should not set off firecrackers, and older children should also be released under the supervision of their elders to prevent accidents. Some children are afraid of sounds such as firecrackers. When setting off firecrackers, parents should hold their children away from the sound source to prevent the explosion of firecrackers from scaring their children.