They must adhere to the Standard Operating Procedure (SOP) and can implement measures to re-introduce aerosol generating procedures safely.
Rhaid iddynt lynu wrth y Weithdrefn Weithredu Safonol (SOP) a gallant roi mesurau ar waith i ailgyflwyno gweithdrefnau sy’n cynhyrchu aerosolau yn ddiogel.