wherein {HEAD ~ the longitudinal rear surface} of the housing is about perpendicular to {TAIL ~ the horizontally extending fingers}, the tongues extending about parallel to a longitudinal length of the housing 
is about perpendicular to
wherein { HEAD ~ the longitudinal rear surface } of the housing is about perpendicular to { TAIL ~ the horizontally extending fingers } , the tongues extending about parallel to a longitudinal length of the housing
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH