{HEAD ~ elastomeric mats} of exhibiting {TAIL ~ different stiffnesses} are color coded based on stiffness to allow visual confirmation that a mat of the correct stiffness is installed in a given sensor 
of exhibiting
{ HEAD ~ elastomeric mats } of exhibiting { TAIL ~ different stiffnesses } are color coded based on stiffness to allow visual confirmation that a mat of the correct stiffness is installed in a given sensor
HEAD HEAD HEAD HEAD HEAD HEAD REL REL 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