The item must be made plural on Flow 3 when one is running Triples, i. e: “Pain in the head”, as an item on Flow I and Flow 2, becomes “Pains in their heads” on Flow 3.
One who is already fully qualified as an HDC or HDG who starts a new pc can start with Triple Flow and run each item thereafter on Triples.
New items assessed on a pc already run on Triples should be run on Triple Flow.