In {TAIL ~ each instance}, {HEAD ~ communication} and power provisioning is implemented using magnetic inductive coupling 
In
In { TAIL ~ each instance } , { HEAD ~ communication } and power provisioning is implemented using magnetic inductive coupling
REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH