81.   Kahalani added that police jeeps and roadblocks could be used to prevent diplomatic visits.

82.   Muslim, Serb and Croat refugees in the former Yugoslavia agreed Wednesday to jointly fight against force used to prevent their return home, an international official said Wednesday.

83.   Sand bags are being used to prevent the silt from returning to the river during rains, they added.

84.   Testing will be standardized to ensure the safety of condoms, used to prevent fertilization and transmission of the HIV virus that causes AIDS.

85.   The chemical, found in food and many household products, is used to prevent clotting of blood samples.

86.   The commission was told that the company had been warned a month before the accident that brick guards should be used to prevent the bricks from falling.

87.   The device has been used to prevent terrorism in Russia for the last several years.

88.   The law has also been used to prevent several foreign bankers from leaving the country before being interrogated about capital flight last year.

89.   The new stent is coated with Rapamune, usually used to prevent organ rejection in kidney transplants.

90.   The reformists say the law is not only unconstitutional, but is used to prevent government critics from presenting their arguments publicly.