He believes that he has supernatural powers.

He is operating the equipment in the control room.

He is still a minor, so he does not have full capacity to act.

Control characters are used to cause special actions on the computer.

The control rod adjusts the reaction of the nuclear reactor.

The concept of chemical equivalent is essential for understanding chemical reactions.

He finished that job quickly.

Three electric lights were on in the room.

He is collecting ancient Japanese swords.

He jumps high like a tou.