{TAIL ~ The fuel nozzle opening} 54 is formed by the insert 51 and a cylindrical tubular head 55 or outer swirler which fits onto the tip body 34 and is concentric with {HEAD ~ the inserts} 50 and 51 
{ TAIL ~ The fuel nozzle opening } 54 is formed by the insert 51 and a cylindrical tubular head 55 or outer swirler which fits onto the tip body 34 and is concentric with { HEAD ~ the inserts } 50 and 51
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