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5 Easy Facts About Security Services Described

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Marie Van Brittan Brown invented an early Variation of the trendy dwelling security method in 1966 with the help of her partner, Albert. Very simple yet highly Sophisticated for its time, Brown's method created use of peepholes, a shut-circuit digicam technique, a two-way microphone, and an unexpected emergency alarm. Prewiring https://video.stackexchange.com/users/44339/the-world-protection-group-inc

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