In addition, when {HEAD ~ the device} 10 is provided with {TAIL ~ a rotatable casing}, the electrodes 12 should also be shaped and constructed to flex in unison with the head portion 24 
is provided with
In addition , when { HEAD ~ the device } 10 is provided with { TAIL ~ a rotatable casing } , the electrodes 12 should also be shaped and constructed to flex in unison with the head portion 24
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH