The dormitory housemother cleans our room every day.

In physics, it is important to calculate the center of mass of an object.

This story is about two heroes joining forces to defeat evil.

He is managing that land as his own territory.

This robot is a mass-production type, so the price is reasonable.

We need to increase the production of goods.

We need to increase the production of goods.

For my health, I started reducing the amount of my daily meals.

He decided to decrease the amount of his meals for his health.

This service is based on volume.