That factory makes fishing tools.

那个工厂生产打捞工具。

They need some more fishing tools.

他们还必要一些打捞工具。

There are many types of fishing tools.

打捞工具有多种类型。

Why are there many types of fishing tools?

为什么有许多种打捞工具？

They like using this kind of fishing tools.

他们喜欢使用这种打捞工具。