As a member of the military, he participated in a reconnaissance mission at the enemy's base.

They used drones to spy on the enemy's base.

His latest movie is reputed to be a failed creation.

This year is a bad harvest, and farmers are having a hard time.

As a preventative measure against the new coronavirus, we recommend washing hands and wearing masks.

The tip of the pen has broken.

This algorithm was developed for optimization.

We need to optimize this process.

He milks the cows every morning.

I need to buy a new milking machine.