When a new ship is built, it must first try the water before it can be determined whether it is capable of carrying out its duties.

Make a simple raft, but there's no need to test the water.

But it's necessary to try this raft at present, because only four pieces of wood are tied together. When a big wave strikes, it's very likely to overturn it. So it's very important for Li Nan to try water to detect which side of the raft has larger buoyancy.

Yang Xiao grabbed Li Nan's orders before he spoke.

Similarly, without waiting for Li Nan's reply, Avril, standing in waist-deep water, raised his...