He is working in the mines, just now, but he'll be home before long.

At its peak, the town's population was about 300, half of which worked in the mines.

Children don't work in the mines any more, but they sell drugs on the street.

Many children began working in the mines at the age of six or seven.

Women and children worked in the mines, under poor conditions.

He continued to race for a few more years, while also continuing to work in the mines.

Men and boys over the age of 14 are required to work in the mines.

"That man is too old to work in the mines."

You're right, he is too old to work in the mines.

The town's population was well over 600 people, and 400 worked in the mines.