We should know what to do when a catastrophe occurs.

Our town suffered significant damage due to a natural disaster.

He injured his arm in a workplace accident.

He was able to overcome difficulties and be successful in life.

I work in transcribing from audio to text.

This program has become executable.

He can write sentences using potential verbs.

I learned about valence in chemistry class.

The atomic number of helium is 2.

We must not forget the horror of the atomic bomb.