We installed fire alarms to defend our house against fire.

This festival is held every year.

The prisoner was in jail for 10 years.

This area requires strict caution because earthquakes occur frequently.

This project is proceeding under rigorous supervision.

The police are conducting strict security to prevent the escape of prisoners.

The dog escaped from the garden.

He is in charge of night security.

My job is a security guard.

He went to the police station and reported the theft.