1.   But to achieve these advantages, derivatives exchanges have had to devise institutional arrangements to ensure the absence of default risk.

2.   Finchem wanted Pleasant Valley to accept dates that would ensure the absence of many top players.

3.   It has also in its role the prerogative to be the judicial watchdog in ensuring the absence of abuse of human rights by the state.

4.   Blair seemed to be keen to dodge the cross-fire, with a trip scheduled to Wales was expected to ensure his absence during the vote.

5.   Blair seemed to be keen to dodge the cross-fire, with a trip scheduled to Wales expected to ensure his absence during the vote.