You need to use your head to solve this problem.

He is using that coat from winter to spring.

He solved the problem using that technique.

He is learning the art of painting.

He defeated the enemy using that technique.

He decided to try hypnotherapy.

He fell asleep immediately after taking the sleeping pill.

This robot can be remotely controlled.

The operability of this new software is very excellent.

The operator is operating the machine.