| 摘要 |
Unauthorized operation of an exposed latch-operating lever for a door includes bars mounted on the interior of the door to support a pair of eye bolts having their eyes lying on the exterior side of the door. One eye swingably supports an obstruction member such as a turnbuckle and the other eye carries a lock which permits detachable retention of the opposite end of the obstruction member. The elements are positioned so that the obstruction member will prevent movement of the latch-operating lever to a door-releasing position.
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