The air service was crucial in the military operation.

The burial service will be held next week.

This informal economy, with its recycling-based business model, seems to be doing the city a great service.

The public telephone was marked as out of service, so we had to find another way to make a call.

The National Health Service provides free healthcare to all residents in the UK.

The Internal Revenue Service is responsible for collecting taxes in the United States.

I booked a ride-hailing service to get to the meeting on time.