The apparatus 3, wherein said preferred order is {TAIL ~ a preferred order} for interpretation by {HEAD ~ a human} 
The apparatus 3 , wherein said preferred order is { TAIL ~ a preferred order } for interpretation by { HEAD ~ a human }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD