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WHY SECURITY AND WHAT IS IT?
PHYSICAL BARRIERS THE THREE LINES OF DEFENSE
8 other sections not shown
activated adequate alarm automatically bolt boundary building cabinets camera Class closed circuit television coded combination lock considered console construction container cost Courtesy cylinder cylinder lock designed detectors devices duct effective electric electronic emergency employee entrance equipment espionage example facility factor feet fence Figure file room Floodlight Type floor footcandle footlamberts gate glass guard heat Hour Tested Fire-Resistive illumination individual industrial industrial espionage inside installed interior intruder key lock lamp lever tumbler lock line of defense luminaires luminous flux master key material money safe North American Aviation panel parking lots patrol physical controls pin tumbler lock protective lighting records result roof security and fire security controls security lighting security personnel security plan security protection signal standard steel storage Streetlight Type surface switch temperature tion Type III Streetlight Underwriters unit usually utilized vault door vital records walls wire