This sand is very fine.

I haven't heard any news from him at all.

This museum exhibits wonderful artworks collected from all over the world.

His new collection of works has been released.

It is important to understand the importance of health.

Please use the emergency stairs in case of a fire.

Due to the earthquake, the city declared a state of emergency.

The potential energy of this ball is proportional to its height.

The place of articulation is a very important concept in phonetics.

His usual location is the seat at the very back of the library.