the normal wages and salaries of the authority’s regular employees, whether diverted from their normal work or otherwise, and the standing costs of the authority’s plant and equipment
tâl a chyflogau arferol gweithwyr rheolaidd yr awdurdod, p'un a ydynt wedi rhoi eu gwaith arferol o’r neilltu neu fel arall, a chostau sefydlog peiriannau ac offer yr awdurdod