GOV.WALES uses cookies which are essential for the site to work. Non-essential cookies are also used to tailor and improve services. By continuing to use this site, you agree to our use of cookies.
Dyma’r term i’w ddefnyddio pan mai tîm o uwch-reolwyr sydd o dan sylw. Dyma’r cyd-destun arferol. O bryd i’w gilydd defnyddir yr acronym SMT yn Saesneg.