... ,thus it can be laid on the cement ground, asphalt, and ev G006 four-color straight-curved mixed woven grassType G006 ... dipping perchloroethylene, dry it with absorbent towel and strong absorption.3,Paraffin wax, tar and asphalt can be wiped hard or dipped sponge ... vehicles to enter the venue4,Use improper footwear and sports equipments like javelin and spikes5,The use of chemical cleaning agents, ...