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Diolch o galon! ----- Original Message ----- From: "Howard Huws" <[log in to unmask]> To: <[log in to unmask]> Sent: Tuesday, January 18, 2011 12:30 AM Subject: Tratment of non-hazardous waste for landfill Trin gwastraff amheryglus ar gyfer ei gladdu/dirlenwi. Tueddaf i ddefnyddio "claddu", ond mae rhai'n mynnu cael "tirlenwi".