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