| 摘要 |
<p>The ring has a sheet structure formed of horizontal totems (1) on sides of the ring and angle totems (2), where each side has zip type openings (6). The openings deflate the sheet structure, where the sheet structure is made of PVC. Inner anchors (5) are sewed on the structure for fastening belt ropes (3) forming a fence. Electric blower is fixed inside in one of the totems (1) for blowing natural air, where a supply cable of the blower is brought outside for connection. Guy wires (7) are connected to outer anchors (8) of the totems (2) and are tensed by iron pegs (9) for stabilizing the ring.</p> |
