The elastomeric mat includes at least one distributed array of hollow protuberances that extend toward and contact one of the first and second force translation plates, and the mat has a stiffness that allows the hollow protuberances to collapse and activate the switch mechanism when {HEAD ~ an occupant} having a specified or higher weight sits on {TAIL ~ the seating surface} 
sits on
The elastomeric mat includes at least one distributed array of hollow protuberances that extend toward and contact one of the first and second force translation plates , and the mat has a stiffness that allows the hollow protuberances to collapse and activate the switch mechanism when { HEAD ~ an occupant } having a specified or higher weight sits on { TAIL ~ the seating surface }
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL