"As in the election's first round, ISAF will only provide third-layer of security, reinforcing the Afghan National Police and Afghan National Army in line with the security plan signed by the chairman of the Afghan Independent Election Commission along with representatives from the Afghan Ministry of the Interior and Ministry of Defense, and ISAF in 2008, " Shanks said.

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The third layer is called a Cherenkov-radiation detector.

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And in yet another layer of IP complexity, server owners often incorporate software provided by third-party developers, and in some cases also hire people to write code to add customized features to the server.

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