He is smart, plus, he is funny.

He added my name to the list.

Please loosen this screw using a flathead screwdriver.

This project includes not only basic functions but also additional elements.

I think this project needs further improvement or addition.

Please tighten this screw using a Phillips screwdriver.

There are three post offices in my town.

This tune is my favorite.

I mailed a letter at the post office.

My father works at a post office branch.