Next time you enter or leave the U.S., check the customs form for this reference.

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As soon as he came in, the doors were locked and no one could enter or leave.

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The Marines are under orders to search and interview all people attempting to enter or leave Iraq through Iran.

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Passengers will still be able to change trains and platforms for connections, but will not be able to enter or leave the station.

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Those schools were on "lock in" status starting at 11:30 a.m. so that activities could continue as normal, except for the fact that no one could enter or leave the buildings.

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Though there is no reason to use Dr Knight's invention to replace existing optical fibres, it could, by varying the spacing of the air-filled tubes, make a handy filter allowing selected wavelengths (and the messages they carry) to enter or leave the waveguide while the others are contained.

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It can sense your location, so you can set your lights to turn on when you enter, turn off when you leave, or light your path as you walk down the hall, and so on.

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Enter "m.google.com" or "m.hotmail.com" in the Server field, leave the Domain field blank, enter your full e-mail address in the Username field, and your password in the Password field.

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Under Oauth, a user must leave a native application, launch a browser, go to Twitter, and enter his or her credentials there.

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