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

• cf_conventions
• cmr
• compression
• dif
• dimensions
• glas
• guide
• launchpad-integration
• rfc-028
• time
• tutorial

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.