TWO:Grinding, no doubt, if traced to the principles that lie at the bottom, is nothing more than a cutting process, in which the edges employed are harder than any material that can be made into cutters, the edges firmly supported by being imbedded into a mass as the particles of sand are in grindstones, or the particles of emery in emery wheels.
TWO:But the Germans were efficient, for during the night they had laid down the rails on which in the morning they transported parts of the heavy ordnance that would demolish all the Belgian defences.
