Thus, {TAIL ~ the third or tertiary winding} always presents a minimum load on the transformer to positively ensure safety at {HEAD ~ all times} 
Thus , { TAIL ~ the third or tertiary winding } always presents a minimum load on the transformer to positively ensure safety at { HEAD ~ all times }
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD