A 15th-century cannon could be rolled up by an attacker behind a movable wooden barrier that protected it from arrows, rocks and cannonballs.
We have a movable barrier that we can use to make sure there are always four lanes in the commuter direction.
A movable barrier was also installed, so people could not gain access without payment.
Later levels feature movable barriers and various other obstacles to complicate play.
My answer would be to install a movable barrier at the point which access is given to passengers.
Normally these movable barriers are called doors.I can wait for this election aftermath to die down.
In the 19th century, the Schwimmtor, a movable floating barrier, was constructed near the upstream entrance to the canal.
Residents along Columbus Avenue have been given assurances in writing that construction sites would be clean and orderly, with the aid of a movable barrier.
The movable barrier, for example, will make it possible to respond to the changing volume of traffic.
Building a movable barrier between the Adriatic and the Venetian Lagoon is no small task.