| NOUN | artifact | surveillance system | a closed-circuit television system used to maintain close observation of a person or group |
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| Meaning | A closed-circuit television system used to maintain close observation of a person or group. | |
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| Broader | closed-circuit television | A television system that is not used for broadcasting but is connected by cables to designated monitors (as in a factory or theater) |
| Spanish | sistema de vigilancia | |
| Catalan | sistema de vigilància | |
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