The rocks in the nearby region produce a material called geyserite.

French polish involves the use of a material called shellac.

A material called boulder clay is deposited on the floor of the valley.

In 2005 they released a new album of all original material called Flash Forward.

One of the most effective shields is a material called mu-metal.

Nuclear energy is produced by a material called carolinum and not uranium.

The block is usually made of a material called Jabroc.

The two factions are in a never-ending war for a rare material called dark matter.

Months later, the group published a new material called now.

The material, called carbon-carbon, had been developed in the United States.