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Notes: Mewn cyd-destunau seremonïol. Mewn rhai cyd-destunau tra seremonïol gellir cael gorymdaith geir ("car procession") sy'n cynnwys modurgad Frenhinol ("Royal convoy"), sydd yn ei thro yn cynnwys y car gwladol ("state car") a'r car gosgordd ("suite car")
