The pin has a generally tapered transition portion which provides {TAIL ~ a contact surface} for the battery, and this transition portion is also symmetric such that the orientation of the pin relative to {HEAD ~ the board} is unimportant 
The pin has a generally tapered transition portion which provides { TAIL ~ a contact surface } for the battery , and this transition portion is also symmetric such that the orientation of the pin relative to { HEAD ~ the board } is unimportant
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH