I recorded music with my new sound recorder.

The brake of this car is very effective.

Please look at my new camera.

I used a new meat grinder to finely chop the meat.

Please use the stairs because the elevator is broken.

He made a book using the new printing press.

This clock is running using a mainspring.

This transmitter can send signals far away.

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

The enemy aircraft invaded our airspace.