Trinitrobenzene is used primarily as a high explosive for commercial mining and military use.

The same timidity is likely to control decisions about commercial mining.

The town's 1,800 residents are sharply divided on commercial mining.

However, commercial mining has never been successful in the area.

The company has stated that it could take a decade to finish identifying the best candidates for commercial mining.

Exploratory work has been undertaken, but commercial mining has not yet taken place.

On December 8, 1992 the last shot was fired in the mine and all commercial mining ceased.

With the cessation of commercial mining in 1910, the town began to decline.

In 1934 the commercial mining of the asphalt stopped and has not been re-established since.

There is no commercial mining of topaz in that area.