Newidodd y momentau cyntaf o syfrdan i arswyd ymysg y gweithwyr wrth i gannoedd o siapau eraill ymddangos o'r wythïen, yn mathru pawb a phopeth yn eu ffordd.
The first moments of surprise among the workers were replaced with horror as hundreds of other shapes broke out of the vein, crushing everything and everybody on their way.