{HEAD ~ The closed end} of the tube is recessed into {TAIL ~ the end} of the bottle through which it extends in order to protect the same from rupture during shipping 
is recessed into
{ HEAD ~ The closed end } of the tube is recessed into { TAIL ~ the end } of the bottle through which it extends in order to protect the same from rupture during shipping
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH