Chromium has the property of changing color depending on its oxidation state.

He was blocking the road.

Chromium is an important element in the production of steel.

Neodymium is one of the most powerful permanent magnets on Earth.

This system is very efficient.

NASA is an acronym, which means 'National Aeronautics and Space Administration'.

She gave him his first orgasm.

I am working in business.

As members of society, we should fulfill our responsibility to protect the environment.

I went to see the showroom of the new apartment.