| English term or phrase: springing | Some terrorists have stormed a house and now, they're holding their inoccupants captive in the underground panic room of the house.
Discussion at the MI5 headquarters :
officer 1 : What about the panic room?
officer 2: Only one way in: the lift, which they've disabled and they control from the inside. They didn't skimp on the specs. Carbon fibre doors, reinforced springing. Rock solid.
officer 1: The walls?
officer 2: 16 inches of reinforced concrete all around.
Could you please explain to me what "sprining" mean here? What does it refer to? |
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| Local time: 21:55
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The translation workplace 
