make the defender attack-schemes

Lu is dating back more than 2,000 years ago the warring states. For thousands of years, our comments on him is the carpenter's "music", actually, lu career is not only the carpenter, he still military weaponry talent, he in military weapons outstanding contribution in was none.

We'll see what lu invented the enemies within earshot rediscovered weapons.

First weapons is a ladder for his ascent. Now a ladder for his ascent is generally as fire appliances, and a ladder for his ascent as weapons tools in 100 years ago battlefield still use, is used to climb the wall in siege. The past city general threre are fighting the defence function, outside the cities have walls, and at that time can say is difficult to cross over, lu analize siege needs, invented a very long ladder looks straight into the sky, so call and a ladder for his ascent, was the most advanced siege weapons.

The second weapon is a crash. Crash as weapons tools in 100 years ago battlefield also still in use, is also used to breached the wall, when both sides battle to the wall, on the one hand and a ladder for his ascent above with attack, on the one hand, in the wall with a crash into the wall to hit the mouth of the cave, and ShangXiaLian attack, make the defender attack-schemes.