21.   The person needs to take lesson in gun-handling and then pass rigorous tests.

22.   The reviewers require elaborate training and must pass rigorous tests to ensure they can spot potentially sensitive concepts and words, such as beryllium, throw-weight and neutron trigger.

23.   The regents have already established higher graduation standards for students, more rigorous tests and annual School Report Cards in an effort to improve academic performance.

24.   The U.S. Food and Drug Administration does not require products sold as dietary supplements to undergo the rigorous tests of safety and effectiveness that medicines must pass.

25.   Under the bill, the Bells would face less rigorous tests to prove their local phone markets are competitive.

26.   WaterSki magazine put the product through several rigorous tests, including running it under water.

27.   Yet he would keep the conversion threshold high, he said, so prospective converts would face rigorous tests in such subjects as Jewish history and Hebrew.

28.   But the new study is the first to put the idea to a rigorous test.

29.   Coach Mike Martz put him through rigorous tests Thursday and Friday to make sure he was ready to go for the game against the Carolina Panthers.

30.   --Have fully qualified, well-trained teachers in every classroom -- and every teacher should pass a rigorous test to get there.