{TAIL ~ This invention} differs from {HEAD ~ other machines} in that it is both simple in its design and operation and it also provides an inexpensive alternative to the currently available models 
{ TAIL ~ This invention } differs from { HEAD ~ other machines } in that it is both simple in its design and operation and it also provides an inexpensive alternative to the currently available models
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH