1.   But Jordan explained that the tests were only a kind of final double-check to make sure there were no errors in the extensive testing already done.

2.   To do that test the switch with a continuity tester by touching one probe to the common terminal and the other to a traveler terminal.

3.   But the tribes say that testing already done for the government is enough.

4.   But WHO also cited serious flaws with testing that is done, including a poor job taking samples and incorrect interpretation of results.

5.   India, Iran, Zimbabwe and Cuba said the agreement was flawed because it does not outlaw highly sophisticated nuclear testing that does not involve explosions.