Preposition at the end of clauses

or an
adjective is followed by a preposition and a noun, such
as listen to music, afraid of spiders, etc., we leave the
preposition after the verb or adjective.
What kind of animals are you afraid of?
What are you good at?
What are you looking for?
What subject are you interested in?
What music do you listen to?

Camping by a lake is something we’re enthusiastic about.
There are several environmental issues you have to prepare a presentation about.

sail around.
Here are the safety procedures you need to be aware of.