{TAIL ~ The connector part} 17 consists of {HEAD ~ projecting tabs} 18, which taper to a point at their free ends 
{ TAIL ~ The connector part } 17 consists of { HEAD ~ projecting tabs } 18 , which taper to a point at their free ends
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH