The second mold voids are connected by {HEAD ~ second runners} locatable over {TAIL ~ the first runner trails} 
locatable over
The second mold voids are connected by { HEAD ~ second runners } locatable over { TAIL ~ the first runner trails }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL