identify clearly what those lessons are both within and between agencies, how and within what timescales they will be acted on, and what is expected to change as a result
nodi’n eglur beth yw’r gwersi hynny o fewn a rhwng asiantaethau, sut ac o fewn pa gyfnod y bydd gweithredu arnynt, a ph newid sydd i’w ddisgwyl o ganlyniad