We toured the lake by tour boat.

The Special Higher Police was a police organization that was active in pre-war Japan.

He is undergoing training for extravehicular activity.

He engaged in an extravehicular activity from the spaceship.

We crossed the sea by catamaran.

The shipworm is known for eating wood.

He is working as a member of the International Criminal Police Organization.

Special judicial police officers are working hard every day to protect the law in Japan.