closed-circuit television
monitoring of telecommunications
telemonitoring

customs control
internal control
own check
parliamentary control
regulatory control

access control
air navigation services
air surveillance
arms control
border security
condition monitoring
control of legality
environmental control
export control
food control and monitoring
hunting and fishing control
import control
inventory control
maritime surveillance
network surveillance
parking control
passage control
price control
product control
quality control
radiation monitoring
supervision of foreign nationals
supervision of medicinal products
supervision of the interests of another party
supervisory control of building
traffic surveillance