{TAIL ~ The wear strip} 14 may, for example, be ten feet in length and have a cross sectional area of {HEAD ~ 2.75 inches} squared 
{ TAIL ~ The wear strip } 14 may , for example , be ten feet in length and have a cross sectional area of { HEAD ~ 2.75 inches } squared
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH