The operator is operating the machine.

I have trained in the Zen monastery.

This stratum is thought to be millions of years old.

The police are working day and night to eradicate crime in this area.

We need to eradicate this disease.

She added baby's breath to the bouquet.

They argued fiercely about politics.

This maneuver is very complex.

It took him many years to collect all volumes of that book series.

He equipped the new armor.