The second component may comprise a second elongated beam adapted to undergo substantial deflection in a substantially elastic manner, a second engagement element, engaged to the first engagement element by a first connection, and {HEAD ~ a fourth engagement element}, engaged to the third engagement element by {TAIL ~ a second connection} 
engaged by
The second component may comprise a second elongated beam adapted to undergo substantial deflection in a substantially elastic manner , a second engagement element , engaged to the first engagement element by a first connection , and { HEAD ~ a fourth engagement element } , engaged to the third engagement element by { TAIL ~ a second connection }
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