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The CERN accelerators safety systems cover approximately 40km of beam lines, protected by approximately 500 physical barriers (gates, walls, grids), and 1000 keyed security locks. All these elements of access are interlocked with approximately 300 pieces of equipment belonging to the various accelerators.

Last update on 27 April 2001 at 14:43:46; Please send all suggestions about this page to Louis Hammouti .