Using local contractors has also had a greater impact on reducing our carbon footprint by reducing miles travelled, whilst simultaneously having other benefits like boosting the local economy.
Mae defnyddio contractwyr lleol hefyd wedi cael mwy o effaith ar leihau ein hôl troed carbon trwy leihau'r milltiroedd a deithiwyd, ynghyd â manteision eraill fel rhoi hwb i'r economi leol.