In {HEAD ~ at least one embodiment}, {TAIL ~ the pedestals} 46 may be offset along the longitudinal axis 52 of the blade 20 
In { HEAD ~ at least one embodiment } , { TAIL ~ the pedestals } 46 may be offset along the longitudinal axis 52 of the blade 20
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH