My favorite subject is math.

He is a very reticent person.

The construction segment of this road is 5 kilometers.

This museum exhibits artworks collected from all over the world.

I decided to revise the plan.

This new software is very practical.

He has a deep interest in avant-garde art.

He received a command from his boss and started a new project.

He found forensic evidence.

An arc discharge occurs when electricity passes through the air.