If {HEAD ~ an article} is feed to {TAIL ~ the puck} 24 upside down, then the article will not be properly seated in the puck 
is feed to
If { HEAD ~ an article } is feed to { TAIL ~ the puck } 24 upside down , then the article will not be properly seated in the puck
OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH