Improve the safety fences and fences of sports venues

摘要

It refers to multiple fixed interval pillars or vertical elements around a part of the game area, requiring a separation between the public and players, and an area with barbed wire between these pillars. Between the two pillars, there is a cross road crossing the middle height of the two pillars. This road is placed between the two pillars and the third pillar, and a frame is specified. In this frame, part of the wire organization is fixed and compact on the third pillar close to the two pillars.The second transvestite stood on the ground, parallel to the first. Each of the first travelers has a smooth plate and perspective material that extends to the top of the column. A lower mesh section identifies an area through which air, water, or gas can freely pass, while the previous section identifies a gas barrier and induced by rising air currents.