This allows the water to be filtered of unwanted materials before entering the well and pumping zone.

Even if you contact the companies offering unwanted material, or take other action to stop calls and mail, you may still be solicited.

Contamination - This is unwanted material in a given grade.

The computer industry is also working on new labeling systems that would make it easier for parents to block unwanted material.

The right way to protect children would be to give parents the electronic means to exclude unwanted material.

With a single-lens-reflex camera, however, lenses can be taken on and off, so they tend to accumulate their share of unwanted material.

Some foundries use robot autogrinders to remove this unwanted material.

He held onto the unwanted material and turned it into an extended visual essay, with eye-opening results.

The importance of photoanalysis technology is being noticed by the agricultural industry as it identifies any unwanted materials going through the process.

All sorts of unwanted material accompanied the subroutines her ferrets brought back.