The Health and Safety Executive (HSE) define lone working as ‘those who work by themselves without close or direct supervision’.
Mae’r Awdurdod Gweithredol Iechyd a Diogelwch yn diffinio gweithwyr unigol fel ‘y rhai sy’n gweithio ar eu pen eu hunain heb oruchwyliaeth fanwl nac uniongyrchol’.