{HEAD ~ Said stepping motor mechanical elements} provide {TAIL ~ a positioning accuracy} of 1 μm in the lowest case, and typically from 5 to 6 μm 
{ HEAD ~ Said stepping motor mechanical elements } provide { TAIL ~ a positioning accuracy } of 1 μm in the lowest case , and typically from 5 to 6 μm
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH