11.   Opponents say it is a folly to lock up dangerous waste simply because the technology does not exist today to render it harmless.

12.   Some of the vaccines are made from melanoma cells grown in the laboratory, then killed with radiation to render them harmless.

13.   The competing bills also call for study of tagging ammonium nitrate or adding chemicals that would render it harmless.

14.   The land mines are inert, rendered harmless by their donor, the U.S. Army.

15.   The shoes were taken to a field and rendered harmless, Kinton said.

16.   The vector, originally a virus that caused leukemia in mice, had been rendered harmless when it was stripped of coding sequences that allowed it to reproduce.

17.   This chops leaves, speeds decomposition and renders them harmless.

18.   With specialized sensors on its nose, it could also detect hazardous materials that spill from trucks on the highway and then render them harmless, Finger said.

19.   Police X-rayed the device and rendered it harmless with an explosive charge.

20.   An armed man seeking ransom seized a worker at the Swedish Embassy in Moscow Friday night and was rendered harmless after swapping the Swede for a Russian security official.