Mae Bekki ac Alison yn Llysgenhadon STEM (Gwyddoniaeth, Peirianneg a Mathemateg) ac maen nhw'n siarad â myfyrwyr am yr opsiynau sydd ar gael iddynt.
Both Bekki and Alison are STEM (Science, Technology, Engineering and Maths) Ambassadors and talk to students about their options.