Ruan's skin. "The way forward is through surface material leaked to bounce off when driving with high speed driving. Slow down and be careful of the danger which can be caused by the material's surface.
Pavement to crumble, " meaning There is a loose surface from flying when driving at high speeds, drivers should slow down and proceed with caution. This may be due to surface.
The surface of the crumble " meaning. The way forward material surface off the bounce off when driving at high speed to drive slowly and carefully dangerous, which might result in the material surface