8 results
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English: sewerage
Welsh: carthffosiaeth
English: combined sewerage
Welsh: carthffosiaeth gyfun
English: sewerage effluent
Welsh: dŵr carthffosydd
English: sewerage network
Welsh: rhwydwaith carthffosiaeth
English: sewerage systems
Welsh: systemau carthffosiaeth
English: sewerage undertaker
Welsh: ymgymerwr carthffosiaeth
English: sewerage works
Welsh: gwaith carthffosiaeth
Welsh: Adolygiad Walker o Daliadau a Mesuryddion Gwasanaethau Dŵr a Charthffosiaeth