| They anticipate reaching more than 300,000 students nationwide by webcasts and closed-circuit TV coverage of conference symposia and workshops. |
| All three were recorded on video tape by closed-circuit television systems. |
| The hammerheads of Cocos are timid, but a diver using a closed-circuit rebreather can get close to these sharks, often gathered in numbers. |
| The three-way system is linked to closed-circuit television camera operators and the police to keep tabs on offenders' movements. |
| In one experiment, mothers and babies were in separate rooms but able to see and hear each other via closed-circuit television. |
| Instead, in one corner there is the monitor of a closed-circuit television showing the area in front of the entrance, the waiting room, the anteroom and the room itself. |
