**Here are 10 examples of using the word «surveillance» in English:**
1. The police have been keeping a close surveillance on the suspect's house for the past week.
2. The company implemented a strict surveillance system to monitor employee productivity.
3. The airport security tightened its surveillance measures after the recent terrorist attack.
4. The government is conducting surveillance of social media to detect any signs of radicalization.
5. The hospital installed surveillance cameras to ensure patient safety.
6. The teacher noticed unusual behavior and decided to keep a discreet surveillance on the student.
7. The bank implemented a 24/7 surveillance system to prevent any fraudulent activities.
8. The military deployed drones for surveillance missions to gather intelligence.
9. The school district implemented a new surveillance program to prevent bullying.
10. The insurance company requested surveillance footage from the store after a theft occurred.