He was subject to much invigilation by the security services.

Together with strict invigilation, the solution to this is obvious.

He conducted trial tests when he left students by themselves without any invigilation.

They said constant invigilation was impossible as it would severely limit opening times.

Students and artists were employed in the administration, invigilation and installation of the project.

He was subject to significant invigilation by the security services, and his second wife was in fact an agent of the communist secret police.

First of all the Commissioner certainly agrees that we need to maintain high standards of surveillance and invigilation and we intend to do so.

For instance, US work on fall-out in the 1960s showed that if results from different laboratories were to be combined into a reliable whole this degree of QC invigilation was necessary.

In exceptional circumstances, and by arrangement with the centre concerned students may take examinations at HCIMA Head Office in which case HCIMA will charge an invigilation fee.

While Mantu was being held at the high security Beur Jail, the invigilation can be lax during such court appearances, and it is a common tactic of the mafia to organize a few policemen to make it possible for the criminal to escape.