Ensuring the floor installation for sports fields during the period of some important campaigns (Tennis, Handball, Volleyball, Table tennis etc.); if necessary, backout of material also be included.

• 在一些运动会期间保证运动场地的路面铺设（网球，手球，排球，羽毛球，乒乓球等）；如果必要，也包括拆卸。