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cctv singapore system The earliest video surveillance structures involved cctv singapore system constant tracking because there was no way to document and keep information. The improvement of reel-to-reel media enabled the recording of surveillance photos. These structures required magnetic tapes to be modified manually, which changed into a time-eating, costly and unreliable procedure, with the operator having to manually thread the tape from the tape reel thru the recorder onto an take-up reel. Due to those shortcomings, video surveillance changed into not widespread. Vcr era became available in the seventies, making it simpler to file and erase facts, and the use of video surveillance have become greater common. closed-circuit tv became used as a shape of pay-according to-view theatre television for sports together with expert boxing and professional wrestling, and from 1964 via 1970, the indianapolis 500 car race. Boxing telecasts were broadcast live to a pick variety of