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Detailed Notes on Security Services

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Marie Van Brittan Brown invented an early version of the modern house security method in 1966 with the help of her husband, Albert. Simple yet highly Sophisticated for its time, Brown's method produced use of peepholes, a shut-circuit digital camera program, a two-way microphone, and an emergency alarm. Prewiring can https://trueen.com/business/listing/the-world-protection-group-inc/450002

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