Civil service is an alternative to military service for conscientious objectors.

The customer service is available 24 hours a day.

The police officer is on duty tonight.

I am at your service, madam.

It's time to get back to work after the holidays.

The intelligence agency uncovered a foreign espionage operation.

The service entrance is located at the back of the building.

The commissioning of the factory was a success.

The emergency service arrived quickly at the scene of the accident.

His service record is impeccable.