opposing, vertically extending tongues attached to the housing, the tongues configured to insert into {HEAD ~ grooves} on a side surface of the fingers to attach {TAIL ~ the housing} to the fingers without welding, 
opposing , vertically extending tongues attached to the housing , the tongues configured to insert into { HEAD ~ grooves } on a side surface of the fingers to attach { TAIL ~ the housing } to the fingers without welding ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH