On the one hand, I want to go on vacation, but on the other hand, I have a lot of work to do.

On the other hand, she enjoys playing video games with me.

I only need a handful of nuts for the recipe.

He picked up a handful of sand.

This course offers a hands-on approach to learning.

He handed me a book.

I bought a second-hand car.

He held the pen in his left hand.

He writes with his right hand.

I got this information second hand, so I may be wrong.