First, pottery and porcelain are two different things.

Second, modern ceramics and ancient ceramics are two different things.

Third, bulletproof ceramics and living ceramics are two different things.

Fourth, pistol and rifle ammunition are two different things.

Fifth, the penetration of the gun and the kinetic energy of the bullet are two different things.

Sixth: Although the technology of fire rope guns is very old, the power of people is really not bad.

Seventh: The conscience gun consumes a lot of gunpowder, the range is too close, the accuracy is not high, and it is not as useful as the front-loaded artillery and classical rockets.

Eighth, the mortar may not be technically difficult, but the mortar shell technology is difficult!

Ninth: Don't think too much about the idea of "I am smarter than the ancients"!

10: The one who said that the time of the queuing was agreed not to hit the officer - the reason why the line was shot was because the pyrotechum could not be beaten.Whoever is completely looking at the probability will not worry whether you are an officer or not.

11: Some people say that my temper is explosive, I actually prefer to be more true, plus obsessive-compulsive disorder.