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