Floating net rafts are primarily used in the japan. They are limited by sea bottom and it can only enclose small areas.
Step-by-step explanation:
- These floats are first used by fishermen all over the world to keep their net which was used for fishing.
- It expands its lifetime without getting damaged. It is a popular collector's item.
- These floating rafts avoid large groups of fishing nets to stuck together. This ball creates a buoyancy force that contains air inside it.
- Nowadays it wasn't used by the fishermen but it is still floating in the oceans in large numbers.