| In that fashion, however, more goods can be carried by using the pole than by holding things in arms or carrying on the back, because the center of the gravity falls on the position (a shoulder) which is almost vertical to feet with a backbone as an axis. |
しかし、さりとて手に抱えたり背負ったりするよりも、重心が背骨を軸として足に対して垂直方向に近い位置（肩）にあり、より大量に物資が運べるためである。 |