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Mengleudh an Penrhyn
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Mengleudh leghen yw an Mengleudh Penrhyn (Sowsnek: Penrhyn Quarry, Kembrek: Chwarel y Penrhyn), trigys yw an mengleudh ogas dhe Bethesda y'n gledhbarth Gembra. Mengleudh leghen brassa an bys o Mengleudh an Penrhyn dhe dhiwedh an 19ves kansvledhen; ogasti 1 mildir (1.6 km) hir ha 1,200 tros-hys (370 meter) o an pennboll gans ogasti 3,000 mengleudhyor. Yn dydhyow-ma, ev re beu gorbassyes gans mengleudhyow yn an Statys Unys, Spayn ha China. Mengleudh an Penrhyn a dhur avel mengleudh leghen brassa Breten, mes yma 200 mengleudhyor dhodho yn-unnik.
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