He bought a new musical instrument.

He bought a new music player.

This incubator is an essential device for protecting the lives of newborns.

He is learning how to use gerunds.

He continued hard labour all day long.

I perform work every day.

His behavior is flexible like an adjectival noun.

This machine is driven by electricity.

This earthquake caused a large motional disturbance.

He was emotionally disturbed when he heard the news.