{HEAD ~ The elastomeric mat} includes a distributed array of hollow protuberances that extend toward and contact the force translation plates, and the mat has {TAIL ~ a stiffness} that normally provides a clearance between the switch mechanism and one of the force translation plates 
{ HEAD ~ The elastomeric mat } includes a distributed array of hollow protuberances that extend toward and contact the force translation plates , and the mat has { TAIL ~ a stiffness } that normally provides a clearance between the switch mechanism and one of the force translation plates
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH