All visitors are security checked and have to pass through metal detectors.

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With the opening of the centre, sightseers will pass through metal detectors and queue up for tours amid air conditioning and plentiful lavatories.

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With this political background, Peer has played all her matches this week on limited-access outside courts and spectators have had to pass through metal detectors, while press photographers were kept from their courtside positions.

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Spectators had to pass through a metal detector and then were searched again before entering the courtroom.

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Sometimes, you have to pass through a metal detector or a police search as you go through the front doors.

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Most passengers will continue to pass through just metal detectors.

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They pass through peelers and hit the rotary slicers metal cylinders with sharpened blades around the edges.

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The Guard Dog also speeds things up by letting you crank drives through a mechanism that'll wipe them as they pass through, even if they're enclosed in metal cases.

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It means that electrons from the metal can end up in the superconductor without having to pass through the insulator.

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There are still four layers of security: presentation of valid government ID, boarding pass, x-ray inspection of carryon luggage, and passing through a magnetometer for the presence of metal.

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