In addition, the design must take into careful consideration {HEAD ~ the overall headroom} for meeting system demands during such instances, and thus {TAIL ~ varying loads} require more design complexity 
In addition , the design must take into careful consideration { HEAD ~ the overall headroom } for meeting system demands during such instances , and thus { TAIL ~ varying loads } require more design complexity
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH