Many workers are working in this factory.

He continued hard labor all day long.

He is a famous author and a person who is respected by many people.

He reads a lot of books.

He spends a lot of time studying.

My father works at that factory.

I work at the company every day.

He is working for free.

He feels like he is working for free.

He always keeps in mind the saying, 'those who do not work should not eat.'