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