Prior to the deployment of security screening systems in the 1990s, major end-users had employed handheld detectors and the physical checking of people, which required staff with proper training and skills. This led to more waiting time in queues, especially in airports, metro stations, and bus stations. Browse Full Report With TOC @ http://www.researchmoz.us/global-security-screening-systems-market-2016-2020-report.html
http://www.researchmoz.us/global-security-screening-systems-market-2016-2020-report.html
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