There is often a misconception that it is only workers who reap the rewards of trade unionism, but employers have a lot to gain from recognising and working with trade unions.
Yn aml, mae camsyniad mai dim ond gweithwyr sy'n elwa ar undebaeth lafur, ond mae gan gyflogwyr lawer i'w ennill o gydnabod undebau llafur a gweithio gyda nhw.