If we continue now and always to extract raw materials, we will never see the end of things.

My project was to extract materials from crude oil.

Also, climate changes may cause a harsh season, where the material extracted will need to be swapped for food rather than energy.

As a result, we reduce pollution and save energy by extracting fewer raw materials from the earth.

According to a recent study, over 90 percent of material extracted for use in manufacturing in this country goes to waste.

Security still thinks it's possible to extract factual material from situations of duress, but we know better.

The nuclear material extracted from its warheads will be turned into fuel for its power plants.

Metals are naturally occurring materials extracted from the earth.

If it had died during the night when no personnel were present, it could have proven impossible to extract genetic material.

The goal of mining is to extract raw materials by matching gems that represent them.