3 canlyniad
Rhestrir y canlyniadau yn ôl perthnasedd.
Cymraeg: casgliadau cyffwrdd/trafod a theimlo
Saesneg: handling collections
Cymraeg: archwiliad trwy deimlo â llaw
Saesneg: manual palpation examination
Saesneg: Radon: you can't see it, you can't smell it, you can't feel it: you can test for it