<prompt> Gadzira shanduro yakaoma zvikuru yemutsara uyu MuUnited Kingdom, bhuku remitemo rinoshanda rinonzi Operational Concept for the GB Mainline Railway.  <response>: Chokwadika, shanduro yakaoma zvikuru yemutsara ndeiyi MuUK, kushanda bhuku remitemo kunonzi GE RT8000 Rule Book Amendments to ERTMS modules kana kuti inowanzozivikanwa se Rule - booknevashandi vezvitima. 