What is one method for improving visual layout?

The following sentence contains what type of conjunction? he is not only a great player but also an exceptional coach

May someone me with these questions

He had fished in the river since ten years and he was a good fisherman. he know where to found the slim sliver chilwa fish, a big beautiful mahseer and the long moustache singhara. he know where the river was deep but where it is shallow; he knew which baits to use - which fish like worms and which liked gram. edit the above