He sent a distress signal with the radio.

He handled the light machine gun carefully.

The view from the airplane window is very beautiful.

I bought a new drying machine.

He is good at piloting a monoplane.

He is repairing an old biplane.

He is good at piloting a triplane.

The copier is broken and cannot be used now.

My father is plowing the rice field using agricultural machinery.

The television receiver has broken.