This medicinal plant has been used since ancient times to maintain health.

We always pay attention to the maintenance of this machine.

I will work using this laptop.

We need moderate exercise to maintain our health.

Health is more important than anything else.

He is very healthy because he exercises every day.

I am mowing the grass in the park.

This ancient artifact is very valuable.

It is very interesting to learn about ancient history.

This medicine eases the symptoms of a cold.