https://llyw.cymru/lefel-rhybudd-4-cwestiynau-cyffredin https://gov.wales/alert-level-4-frequently-asked-questions Ar gyfer y cyhoedd https://llyw.cymru/iach-a-diogel/cadw-pobl-yn-ddiogel For the public https://gov.wales/safe-help/keeping-people-safe Ar gyfer plant a phobl ifanc   Dros 12 Cymraeg – Over 12s WelshDros 12 Saesneg – Over 12s…