according to the traditional method, the student need not hit a heavy bag to increase the power of his blows and to prepare himself for free fight. it was completed and opened on 25 august 2015. it is surrounded on three sides by steep cliffs, giving it a strong defensive position. it should represent the whole population fairly, without bias. there are also other sizes, like the very small teacup, that are not official. the axles maintain the position of the wheels relative to each other and to the vehicle body. 