The enemy aircraft invaded our airspace.

In my school, we sometimes watch movies using a projector.

I made a calendar using the new calender.

This old magic lantern is what my grandfather used when he was young.

He shot a movie using a new movie camera.

The outdoor air conditioner unit has broken down, so we need to have it repaired.

This phototypesetting machine is used for printing newspapers and magazines.

I can't afford to miss this opportunity.

The transmission of this car is very smooth.

My new computer is very fast.