Information is only a raw material of knowledge.

Water is a limited resource.

Wood is a renewable natural resource.

The environment is a crucial resource.

Water is a renewable but limited natural resource.

Water is a scarce and precious natural resource.

Water is a scarce commodity.

Water, in this context, is a commercial commodity.

Generating electricity is not the same as producing a simple commodity.

The demand for electricity -- a commodity that cannot be stored -- peaks.

At this event, water will be treated as a rare economic commodity.

So far as we know, no material has so far been characterized as a low - dispersal material.

Information is only a raw material of knowledge.

42508 , nuclear material from foreign countries, is stored.

Great caution is necessary in dealing with genetic material.

The new guidelines confuse it with low - dispersal material.