The base insulator holds {HEAD ~ a terminal} having an end portion bent by {TAIL ~ a bending angle} β 
The base insulator holds { HEAD ~ a terminal } having an end portion bent by { TAIL ~ a bending angle } β
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH