3.6.   SKILL and UNCONSCIOUSNESS
и     PREACT pA turns into skill when it becomes so stable that necessity to control its physical realization for the sde of consciousness S_М disappears, when an action A_P is carried out successfully without efforts of consciousness S_М, automatically, practically instantly, by the short, three-section chain (fig. 10а), when preact pA is interiorized so deep, that it has passed into unconsciousness.
  . Further, in process of action A recurrence, its astralum model pA can get not only stability, but also autonomy, up to full independence. At this stage a working tool can subjectively be seemed as a separate creature with its own will and intentions (Tszen N.V./Цзен Н.В. [ 135, page 112]).
  . The psyche mechanism of such am autonomy is the phenomenon of preact pA exteration.     и