Baseplates are inserted between rail and sleeper to measure the dynamic loads which are being imposed; ….

Their audience had been listening in increasing consternation.

[…] when I got there it had started and there were no seats left. Secretly relieved, I walked or rather mountaineered back to the flat […]

A decisive argument supporting this hypothesis was the discovery of a remarkable characteristic of the arrangement of the Uranian rings: near the outer edge of the rings there exist several orbits each of which is in resonance with a pair of rings simultaneously.