The members of the Mobile Investigation Unit rushed to the crime scene.

The interceptor chases enemy bombers at high speed.

My new grinder can grind coffee beans perfectly.

He carefully maintained his beloved aircraft.

My father bought a new excavator.

He solved complex mathematical problems using his new calculator.

My new vacuum cleaner is very quiet.

My father is an aircraft pilot.

He works as a fighter jet pilot.

In psychology, it is important to understand the mechanism behind human behavior.