For example, when the control signal is active, a blocking polarity potential may be applied to {TAIL ~ the output driver} to protect against {HEAD ~ leakage currents} 
For example , when the control signal is active , a blocking polarity potential may be applied to { TAIL ~ the output driver } to protect against { HEAD ~ leakage currents }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD