Lighters experts reveal secrets of ancient black Technology

When watching ancient operas, it is often seen that actors take up a rod-shaped object and blow it for a few times to ignite spontaneously. That is the fire folder. How is it made? Let's introduce the lighter equipment expert to introduce you.

The soil is wrapped with solid paper and mixed with various flammable substances. After ignition, the seal is quickly blown off. Now, although there is no fire, we can see that it burns like a fire in the ash and can keep bright red light for a long time. If it needs to be angry, it can burn again at the very beginning, but it is very clever. Suddenly, short and strong air supply is needed.