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