Tasks Include:

• introduces programs, music, entertainment items, guests or
  celebrities
• prepares and reads news bulletins and makes special
  announcements
• provides commentary for sports and other events
• adjusts production equipment and plays music and
  advertisements
• presents opinions on sports, politics, social or economic
  matters
• reads advertisements or introduces and announces sponsored
  items
• may announce or commentate at sporting or special events, or
  introduce entertainment such as live or recorded music at
  entertainment venues