| 摘要 |
<p>Security fencing has a number of posts and steel mesh attached thereto. Each post comprises a fixed section ll0 and a movable section l20. The fixed section ll0 has a number of internal supports l35 on which the steel mesh is located. The movable section l20 is adapted to fit over the fixed section ll0 and is provided with a number of locking members l40 which engage corresponding locking bars l45 secured within the fixed section ll0. Nine different embodiments are disclosed, some of which may be used in high security applications and others in moderate to low security applications.</p> |
