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What's the name of the birthday party that sprays a lot of colorful things when you pull it?
At the birthday party, when you pull it, you spray a lot of ribbons and colorful things. It is also called wedding salute, fireworks, fireworks, and fireworks. It is a kind of fireworks that is set off by hand in festive occasions such as business opening and wedding.

The barrel of the fireworks display tube is a paper tube, and the launching power is compressed air. By rotating or pressing the button to release compressed air, the blasting impact force is generated, and the colored sequins or petals filled in the paper tube are washed into the air, resulting in a festive effect, which is a prop to increase the festive atmosphere.

Extended data:

There is a rubber plug in the control valve of the fireworks tube. Its principle is the same as opening champagne, and the rubber plug is pushed out by internal air pressure. If it is set off at close range, the air pressure generated is enough to hurt people, and incidents of fireworks tube pointing at people at weddings sometimes occur.

What's more, at the moment when colored ribbons or colored paper burst, there will be a lot of harmful substances such as debris and dust in the air. The crowd at the wedding is crowded and cheering, which is not conducive to the spread of harmful substances. At this time, a large number of broken debris and dust will be absorbed by the human body, which is harmful to the body, especially the lungs.

Baidu encyclopedia-fireworks tube