cynllun storfa bwmp welais i rywbryd dwi'n meddwl, os cofia'i'n iawn.
Geraint
----- Original Message -----
From: Sian Roberts <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, March 31, 2003 8:24 PM
Subject: pumped storage scheme
pumped storage scheme
Cynllun trydan dw^r e.e. Dinorwig.
Diolch ymlaen llaw
Siān
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