{HEAD ~ Movement} of the first wall relative to the second wall due to varying combustion chamber pressure transmits {TAIL ~ a load} to the sensor 
transmits
{ HEAD ~ Movement } of the first wall relative to the second wall due to varying combustion chamber pressure transmits { TAIL ~ a load } to the sensor
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH