Every content item in this list is tagged with all the required labels:

• calls
• composing
• desk
• e-mail
• incoming
• loaner
• mail-app
• make
• mozilla
• reply
• spammer
• text
• tsc-student-loaner

To add a label to the list of required labels, choose '+ labelname' from Related Labels.
To remove a label from the required labels, choose '- labelname' from above.