Who is Sandy Ring from London Transports and what is their importance? London_Transports English & Literature Sandy Ring | London Transports

A newly-graduated nurse, Sandy seeks living quarters that she can share for economy. She agrees to move in with Wilma Ring, a Jamaica native, having fled a boyfriend in Wales. Sandy works day shift in neurosurgical, which is depressing, and wishes that Wilma's schedule overlapped so that they could chat. She gets used to her surroundings and vendors joke with her about food. Sandy deduces from the number of Jamaicans who live in near-poverty in London that the homeland must be far worse.