My father has been working as a silk manufacturer for many years.

My grandfather dedicated his life to the silk industry.

He achieved success as a silk manufacturer.

My father works for a paper manufacturer.

Her family makes a living in the silk industry.

My father works in the paper manufacturing industry.

He has been working as a doctor in this town for many years.

I haven't seen him for a long time.

He has been working as a doctor in this town for many years.

That dealer is providing high-quality products.