{TAIL ~ The spring elements} of FIG 15 are examples of spring elements that can be used in any of {HEAD ~ the cooling structure assemblies} 100, 300, 500, 700, 900, 1100 and 1300 
{ TAIL ~ The spring elements } of FIG 15 are examples of spring elements that can be used in any of { HEAD ~ the cooling structure assemblies } 100 , 300 , 500 , 700 , 900 , 1100 and 1300
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH