Bydd hynny'n golygu asesu'r math o dasgau y bydd y naill a'r Hall yn eu cyflawni a gofynion y tasgau hynny o ran medr, ymdrech, cyfrifoldeb ac ati.
These benefits can be received under contract, statutory or collective provisions, or on a voluntary basis, and they can be in cash or in kind (for example travel facilities or housing), or in the form of shift premiums or overtime pay.