| 摘要 |
<p>A stadium safety system comprises a high pressure water supply (5, 6) connected to a water pipe (2) which extends around the boundary of a playing field (3). Adjustable nozzles (4) are provided at spaced intervals around the pipe (2) and water from the nozzles (4) may be used to extinguish fires, or for crowd control, in the crowd enclosure (13) or to water the playing field (3).</p> |
