{TAIL ~ The springs} 20 provide compliancy and overcome {HEAD ~ difficulties} associated with varying coefficients of thermal expansion  
{ TAIL ~ The springs } 20 provide compliancy and overcome { HEAD ~ difficulties } associated with varying coefficients of thermal expansion
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH