They sometimes need to add in leaflets, or sort through reminders to remove those being sent to Council clients, which needs to be done manually.
Weithiau mae angen iddynt ychwanegu taflenni, neu ddidoli drwy negeseuon atgoffa i gael gwared ar y rhai sy'n cael eu hanfon at gleientiaid y Cyngor, sydd angen ei wneud â llaw.