Bah parcque le heal de l'apo s'aplique à de l'infanterie et que le repair du tech s'adresse à des véhicules.
Tiens je viens de (re)lire : Master of Machines: At the end of your Movement phase this model can repair a single friendly <FORGE WORLD> or QUESTOR MECHANICUS model within 3" (but not itself). If the model being repaired is a <FORGE WORLD> model, it regains D3 lost wounds; if it is a QUESTOR MECHANICUS model, it regains 1 lost wound. A model may not be the target of the Master of Machines ability more than once per turn.
CQFD ?