An assembly 15 wherein {HEAD ~ a pullout force} of at least 25 pounds is required to pull {TAIL ~ the heater} out of the housing 
is required to pull
An assembly 15 wherein { HEAD ~ a pullout force } of at least 25 pounds is required to pull { TAIL ~ the heater } out of the housing
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH