·2,447,543篇论文数据，部分数据来源于NoteExpress
But user screening, awareness, behavior and education are now paramount.
FORBES: Are You Focused On The Wrong Security Risks?
Security personnel should be given wide discretion to use the machines for anybody with suspect behavior or whenever there is a need for secondary screening.
CNN: Don't let security scanners erase our privacy
If a passenger sets off the metal detector, engages in suspicious behavior, or is listed on a watch list, secondary screening would be appropriate.
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