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