11.   All the networks already have standards and practices departments, which review programs and remove offensive material.

12.   But less confident web site operators are already removing material that they fear could be branded indecent, Safdar said.

13.   Center Ray Donaldson is having arthroscopic surgery on his left elbow to remove loose material.

14.   Clean-up workers also will have to deal with the psychological trauma of finding decaying bodies as they remove the material.

15.   Cold chisels are used to remove material from hard stock like metal or masonry.

16.   Cross filing is used to remove material and reshape the work.

17.   Dr. Matalipova works at a microscope, using a sharp pipette to remove genetic material from a cow egg.

18.   Either the offending material is removed or in extreme cases, the truck is turned away.

19.   In cloning, scientists place the nucleus of a cell of one animal into the egg of another whose genetic material has been removed.

20.   In addition, the Energy Department says it will remove the material if needed.