The special security facility and the decontamination vehicle will be in the area,if not at any one of them or one of the other,it is moving around those four,and it moves as it needed to move,as people are working in the different bunkers.

• 这种特殊的安全设施及消毒车辆如果不在任何一个那样的掩体中，则将位于这个区域。它围绕那四个掩体移动。因为人们在不同的掩体中工作，所以它在需要的时候才会移动。