The visiting room may be monitored using security cameras or other devices.

Changes in the service system in Nottinghamshire were monitored using a wide variety of sources.

Pupils' behaviour is monitored using a class management file.

Each soldier is monitored using a positioning satellite system.

Instead the rise and fall of the source brightness must be monitored over time using photometry.

In the military, audio signals of many varieties are monitored using headphones.

It has been monitored using an innovative wireless sensor network with normal traffic condition.

As for the cats, they are monitored using a Geiger counter.

Pressure may be monitored using a reference material whose behavior under pressure is known.

The data from measurements of variations at points on the process map is monitored using control charts.