1.   They tried various methods before hitting on the right one.

2.   Various methods were tried, including artificial ventilation, delivery of gases enriched with oxygen, and drugs that were known to enhance breathing in adults.

3.   After all, these methods are tried and tested.

4.   America has tried this method once before, when it set up the INC in Irbil, the capital of the autonomous Kurdish enclave in northern Iraq.

5.   Another key argument against the law is that the city failed to try other methods of keeping alcohol away from minors before restricting speech, the lawsuit says.

6.   Bibb said he expects CBS to try new methods to attract more viewers.

7.   Block scheduling has been gaining in popularity for the last five years as schools try unconventional methods to improve education.

8.   Both methods have been tried on a voluntary basis but neither has been put to a scientific test and no country has made these treatments mandatory.

9.   A different method was tried at the Oak Ridge complex in Tennessee.