Liquid nitrogen is very cold, so care must be taken when handling it.

Liquid oxygen is often used as rocket fuel.

He is a world-famous geographer.

Recently, this store has become so quiet that you can hear a pin drop.

This document explains the detailed history of our family lineage.

He really suits a crew cut.

He decided to take a temporary leave to spend time with his family.

This has become a national issue.

He loves Ppongjjak music.

He fractured his antebrachial bone.