Funerary practices in Japan vary by region and religion.

The burial practice in Japan is an important culture that symbolizes family ties.

This antiperspirant has the effect of suppressing sweat.

In psychology, it is important to understand the mechanism behind human behavior.

We adopted the AA system to start a new project.

Bureaucracy plays an important role in the operation of the government.

Manorialism was one of the economic systems in medieval Europe.

Monarchy still exists in some countries.

Linear programming is a part of operations research and is used to find the optimal solution.

The United Nations Environment Programme is providing solutions to global environmental problems.