Speed of {TAIL ~ training} and cost efficiencies are obtained by providing {HEAD ~ training} at a rate two to three times faster than the previous art 
Speed of { TAIL ~ training } and cost efficiencies are obtained by providing { HEAD ~ training } at a rate two to three times faster than the previous art
OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH