The invention pertains to the field of {HEAD ~ electronic systems} for {TAIL ~ data processing}, handling, monitoring and calculation 
for
The invention pertains to the field of { HEAD ~ electronic systems } for { TAIL ~ data processing } , handling , monitoring and calculation
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH