Listing helps us to recognise all the special qualities of these buildings, and the communities they served, while protecting them for the benefit of future generations.
Mae rhestru yn ein helpu i adnabod holl rinweddau arbennig yr adeiladau hyn, a’r cymunedau yr oedden nhw’n eu gwasanaethau, wrth eu diogelu er budd cenedlaethau’r dyfodol.