TfL retains aspirations to further increase frequency on the ELL [East London Line] to 24tph, which would require a switch from conventional signalling to a digital railway solution involving automatic train operation on the core section.

a wheel with gearlike teeth

Although the name of his beloved has not come down to us, Pushkin later took pains to keep his amours in some sort of order (the classicist in him) in his famous “Don Juan lists,” those sources of unending speculation among Pushkinologists, in which he carefully but cryptically tabulated his hits, runs and errors among all the Dashas, Mashas and Dunyashas of romantic Russia.

For sounds, we see that the grating of a law, or any very harsh noise, will set the teeth on edge, and make all the body shiver