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