The hollow protuberances of the elastomeric mat produce a clearance between the depressible element and the second force translation plate when not collapsed, but collapse to allow {HEAD ~ the second force translation plate} to contact and displace {TAIL ~ the depressible element} when an occupant of the specified or higher weight sits on the seating surface 
The hollow protuberances of the elastomeric mat produce a clearance between the depressible element and the second force translation plate when not collapsed , but collapse to allow { HEAD ~ the second force translation plate } to contact and displace { TAIL ~ the depressible element } when an occupant of the specified or higher weight sits on 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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH