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