Rydym wedi buddsoddi'n helaeth iawn ym metro de Cymru—dros £1 biliwn o fuddsoddiad—ac mae'r buddsoddiad hwnnw'n unol â safonau'r diwydiant o ran sut y caiff y trac ei reoli a'i asesu, ac ansawdd y dur sy'n cael ei osod hefyd.
We have invested very heavily indeed in the south Wales metro—over £1 billion pounds of investment—and that investment is in line with industry standards in terms of how the track is managed and assessed, and the quality of the steel that is laid as well.
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