I made ice cream using liquid nitrogen.

Sotaro is my best friend.

This phase diagram shows the state of the substance.

This problem is equivalent to his ability.

The Minister of Internal Affairs and Communications announced a new policy.

They were put in a situation of confrontation.

He is studying about Einstein's theory of relativity.

We are looking for new partnerships to strengthen our business contact.

This electric motor is using three-phase power.

Water turning into ice is an example of a phase transition.