38: That basic training on the structure and operation of the water supply system, including the different types of hydrants in use and their functions, be given to all firefighters.
38: Bod pob diffoddwr tân yn cael hyfforddiant sylfaenol ar strwythur a gweithrediad y system cyflenwi dŵr, gan gynnwys y gwahanol fathau o hydrantau a ddefnyddir a’u swyddogaethau.