2. Asbestos

3. Lle y defnyddid asbestos wrthadeiladu:

4. Where asbestos was used in building work:

5. Asbestos brownBrown asbestos

6. Asbestos gwynWhite asbestos

7. Asbestos GlasBlue Asbestos

8. CaewydYsgolUwchradd Cwm-carnyngNghaerffilioherwyddbod asbestos yno

9. Cwmcarn High School in Caerphilly was closed because it contained asbestos

10. Ynôl Week In Week Out ar y BBC: mae asbestos i’wgaelmewn 85% o ysgolionyngNghymru

11. According to the BBC’s Week In Week Out: 85 % of schools in Wales contain asbestos

12. Mae mwyna 228 o athrawonwedimarw o mesothelioma yn y DU ers 1980

13. More than 228 teachers have died of mesothelioma in the UK since 1980

14. Oni ddylaipawbgaelyrhawl i wybodosoesperygl bod asbestos ynbresennolmewnadeiladauysgolion?

15. Shouldn’t everybody have a right to know if there is a risk from the presence of asbestos in school buildings?