The method 4 wherein {HEAD ~ said step} of adjusting includes {TAIL ~ the step} of changing the distance between said spaced points 
includes
The method 4 wherein { HEAD ~ said step } of adjusting includes { TAIL ~ the step } of changing the distance between said spaced points
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH