Ewinedd Concrit
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Caledwch Gwaith Maen a Hoelion Adeilad Concrit
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Ewinedd Concrit Dur Caled
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Shank Stripe Ewinedd Concrit Du
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Sinc Sgriwiau Concrit Pen Hirgrwn Melyn
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Hoelion Concrit Twilled Shank
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Hoelion Concrit Pen Countersunk Checkered
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Ewinedd Concrit Dur Di-staen Gwrth-rhwd
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Gwaith Maen Caledwch Uchel a Hoelion Adeilad Dur Concrit