mines

abandoned, closed, other, valuable

The company decided to reopen some of the valuable mines that had been closed for years.

comes, detonating, dispute, explored, exploring, iron, land, lignite

The team explored mines in the mountains searching for valuable minerals and precious stones.

companies, germany, hours, water

The mines companies in South Africa have agreed to increase worker safety standards.

from, from, in, in, without

They extracted valuable diamonds from mines deep beneath the earth's surface.