21.   The Ministry of Defense is now trying to calculate how many British troops were exposed.

22.   The prime minister said the mandate should be changed so Canadian troops are not exposed to danger the way they are now.

23.   The prime minister said the mandate should be modified so that Canadian troops are not exposed to danger the way they are now.

24.   They are protected by several dozen guards, and NATO commanders have shied away from exposing their troops to possible loss of life in the operation.

25.   The possibility that troops were exposed to low levels of the chemical agent sarin has been the focus of intense attention here.