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  1. #1
    IQU3838 is offline Member
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    trip the emergency brakes

    Hi,

    Could anyone help me out with the underlined part?
    Thank you very much.

    "Darius McCollum has tripped the emergency brakes on an N train and impersonated a transit worker in uniform in order to fix it himself."

  2. #2
    Rover_KE is offline Moderator
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      • Member Type:
      • Retired English Teacher
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    Re: trip the emergency brakes

    He has applied or put on the additional brakes installed on the train for when the normal braking system proves faulty or ineffective.

    Rover

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