The life support system on the spaceship ensures the survival of astronauts in space.

The early warning system detected the approaching storm and alerted the residents.

The public address system in the auditorium is equipped with microphones, amplifiers, and speakers.

The central nervous system controls and coordinates the functions of the body.

The autonomic nervous system controls involuntary bodily functions.

The company has adopted a dual ladder system to provide equal opportunities for both management and technical career paths.

Many advocates believe that the progressive tax system creates a fairer society by requiring those with higher incomes to contribute more.

Systems analysis is a scientific and mathematical analysis that improves efficiency and accuracy.

As a systems analyst, I am responsible for analyzing and improving the efficiency of our company's computer systems.