We made concrete tubs in different sizes, to balance the weight.

我们制作了不同尺寸的混凝土桶来平衡重量。

Balances his body weight on it and watches the sun rising over the sleeping houses.

倚靠着它，看着太阳从沉睡的房屋背后升起。

So, the rope becomes more vertical to balance out the increasing weight.

因此，绳子变得更加垂直，以平衡增加的重量。