Surveillance and other monitoring cameras were first used with NASA in their space programs. It was used to monitor the performance of rocket launches. Typically, they are used in place of humans particularly on dangerous areas while viewing the operation. Nowadays, it has been used with law enforcement and other security purposes. It can be used as a deterrent for crimes whether in business or at home. It is used by local government to secure streets of petty crimes. In some cases, it is used to identify criminals and prosecute them.
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What Can Be Achieved With Home Intercom Systems
At one point, intercom systems were pretty much just used in schools to make the daily announcements and ask teachers to come down to the office. Most people heard something announced over an intercom every day until they were 18 and never really thought anything of it.
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