The International Atomic Energy Agency is an international organization that promotes the peaceful use of nuclear energy.

He is interested in the study of international auxiliary languages.

The International Court of Justice is the main institution for resolving disputes under international law.

The International Monetary Fund is aiming for the stability of the world economy.

The International Football Federation is an organization that oversees soccer around the world.

He solved the problem in a scientific way.

This reaction occurs through a chemical process.

He is good at tactical thinking.

He exercises every day and leads a healthy life.

Fundamental knowledge of mathematics is necessary to solve advanced problems.