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

• content-formatting-template
• favourite
• hss
• kernel
• notes
• nsa
• openairinterface
• rick
• sim
• v-security
• vlan
• wp3

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.