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Testun Gwreiddiol (Anodiad: EPW057821 / 1404609)
' Pyrex glass works (later to become Corning) which made domestic glassware and laboratory glass.
'
Dywedwch wrthym pam mae’r cynnwys hwn yn amhriodol *(gofynnol)
Dewis categori *(gofynnol)
-- Dewis categori --
Nudity, pornographic or sexually explicit material
Intolerance, hatred or violence
Illegal or offensive behaviour or activities
Spam, malware or phishing activities
Privacy or confidential information infringement
Copyright or intellectual property infringement
Factually inaccurate
Other not listed
Os ‘Arall’ rhowch fanylion (dewisol)
Eich enw (dewisol)
Eich cyfeiriad e-bost (dewisol)
Adroddiad yn amhriodol
