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Windows PCs can be used as general purpose computers for all those varieties of such things as writing letters, editing photos or surfing the Web. However, there's also specialized use times when the PC is supposed to be used only in a very restricted way. Imagine a public kiosk terminal which could only be utilized to allow Web browsing in order to provide usage of an individual, specialized application as being a booking system. Also terminals in museums or at exhibitions have special requirements in terms of security and functionality. In most cases the underlying os (Windows) have to be secured and locked down in a fashion that merely a predefined application can be executed understanding that the conclusion user has no further use of other applications or critical os functions.
The gate is a detector that detects if there are metal objects, or metal detection doors. Mainly used in airports, stations, large conferences and other popular public places to check people's physical hidden metal objects, such as guns, controlled knives and so on. When the inspectors from security through, carries on the body shape of metal more than according to the weight, quantity or predefined parameter value, the security immediately alarm, and display alarm caused by metal and location, make security personnel find such person carry metal items in a timely manner
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