{HEAD ~ The upper and lower ejection assemblies} comprise rotation arms joined at one side to {TAIL ~ the fixed structure} by hinges mounted through curved slots on respective brackets , and at the other side to a frame which is integral with the door  
{ HEAD ~ The upper and lower ejection assemblies } comprise rotation arms joined at one side to { TAIL ~ the fixed structure } by hinges mounted through curved slots on respective brackets , and at the other side to a frame which is integral with the door
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