He is working in a silver mine.

This ore is very rare and valuable.

The emperor stands at the highest position in the country.

I attended a lecture on economics today.

An elephant's proboscis is very long and multifunctional.

He holds a chair at the university.

The government has decided to reshuffle the cabinet.

I am researching the history of the old name, San Francisco.

He tends to be particular about details.

He always works by being particular about the details.