{HEAD ~ The structural polymer} provides {TAIL ~ a bending stiffness} such that the thin plate does not deform to its breaking point, and a mechanical stiffness such that shear forces are efficiently coupled from the plate to the workpiece 
provides
{ HEAD ~ The structural polymer } provides { TAIL ~ a bending stiffness } such that the thin plate does not deform to its breaking point , and a mechanical stiffness such that shear forces are efficiently coupled from the plate to the workpiece
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH