The method 1 further comprising {TAIL ~ the step} of cleaning debris created by said grinding step from said devices and {HEAD ~ said protective fixture} 
The method 1 further comprising { TAIL ~ the step } of cleaning debris created by said grinding step from said devices and { HEAD ~ said protective fixture }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD