We should strive to protect water resources.

The circular well is an important resource for supplying water.

Mr. Tsutsui is my best friend.

Health is very important.

His opinion is very important.

The power supply in this area is stable.

We supply fresh vegetables to the market.

We must use the resources of the Earth carefully.

On cold days, cold water is especially delicious.

It is important to understand the importance of health.