Thereafter, the rectifying circuit rectifies {TAIL ~ the intermediate currents current} to produce {HEAD ~ a rectified current} 
Thereafter , the rectifying circuit rectifies { TAIL ~ the intermediate currents current } to produce { HEAD ~ a rectified current }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD