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1·The construction site must be paved roads, water tank, automatic cleaning equipment of vehicles, to avoid the muck car with mud on the road.

施工工地必需硬化道路，设置水槽，装备车辆自动清洗设备，避免渣土车带泥上路。

2·Yesterday evening, a muck truck dumping muck, suddenly poured from the car a long meters shells.

昨天傍晚，一辆渣土运输车在倾倒渣土的时候，突然从车上倒出一颗长达一米左右的炮弹。