But with extra troops required to do it right the caissons are not being used to limit the number of people interacting.

但由于需要额队来执行任务，为了减少人们接触次数，目前不再使用沉箱了。

Here and there in the road and fields lay buckles and bits of harness leather, canteens flattened by hooves and caisson wheels, buttons, blue caps, worn socks, bits of bloody rags, all the litter left by the marching army.

在路上或田里，到处可以看到带扣，马嚼子和马鞍碎皮件，还有水壶、弹药箱轮子、钮扣、军帽、破袜子和血污破布，以及行军时丢下种种七零八碎东西。