This allows {TAIL ~ an accurate and easy interconnection} of the electric leads and the pins of {HEAD ~ the base} 
This allows { TAIL ~ an accurate and easy interconnection } of the electric leads and the pins of { HEAD ~ the base }
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD