Site Supervisors and Grounds Persons are at risk of injury from infected needlesticks or other sharps they may come into contact with.
Mae Goruchwylwyr Safle ac Unigolion Tiroedd yn wynebu perygl o gael eu hanafu gan nodwyddau heintus neu unrhyw offer miniog eraill y gallen nhw ddod i gysylltiad â hwy.