olemus
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kauplustes vms kohtades,
eeskätt esemete elektronvalvena

näiteid
https://www.cityofstjohn.org/DocumentCenter/View/82/Shoplifting-Prevention-Tips-PDF

https://www.cheshirect.org/media/9107/shoplifting%20prevention%20and%20tips.pdf

https://www.trusttag.com/anti-theft-device/

https://www.timeaccessinc.com/retail-store-loss-prevention-systems
https://trizgyrus.com/howstuff/Howstuffworks%20How%20Anti-shoplifting%20Devices%20Work.htm