But many organisations and representative bodies have already published advice about how social distancing can be observed in different environments, including construction and manufacturing.
Ond mae llawer o sefydliadau a chyrff cynrychioliadol wedi cyhoeddi cyngor eisoes am sut gellir cadw at gadw pellter cymdeithasol mewn gwahanol amgylcheddau, gan gynnwys adeiladu a gweithgynhyrchu.