1.膝蓋以下被車壓住的脫出 Detached under the knees suppressed by motorcycles. 2.扶車扣煞車減少車輛滑動 Lock the brakes to avoid slippage. 3.黑橘旗的出現代表有零件或裝備的掉落或可能 Flags that represent objects falling off.