Operating the WCML at this intensity makes it challenging to maintain acceptable performance levels, resulting in a frustratingly unreliable service for passengers. Minor disruption can escalate into significant delays because a train running only a few minutes late can miss its slot across a junction, resulting in a snowballing effect across the network.

‘Are there no English troops out here?’ ‘A few,’ Gilzean said. ‘But they're all sick. Peely-wally lot the English, ye ken.’

Iris: He warbled a plaintive rondo — Of brekekekex koax — Chorus: Koax! Iris: The other frogs thought it splendid, Most splendid — Chorus: Most splendid! Iris: Applauding him when he ended With brekekekex koax — Chorus: Koax!

its inability to form zymophosphates