He is an expert in systems engineering.

Our school has introduced a new PA system.

The filesystem of my computer has broken down.

He is known as the wrecker of the team.

He should stop his self-destructive behavior.

The robot initiated the self-destruction program.

He is suspected of being involved in the sabotage of the company.

He is suspected of being involved in the sabotage of the company.

The destructive power of that hurricane was stronger than anything we could imagine.

The human immunodeficiency virus destroys the immune system, making the body unable to fight disease.