It is important to consider the person’s ability to negotiate the types of pavement or road one would normally expect to find in the course of walking outdoors.
Mae’n bwysig ystyried gallu’r unigolyn i groesi’r mathau o balmant neu ffordd y byddai rhywun yn disgwyl dod ar eu traws fel arfer wrth gerdded yn yr awyr agored.