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

• administration
• anemometer
• flow
• flowchart
• itinerary
• po
• pr-validation
• profile
• sonic
• sw4
• trh
• windtunnel

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.