{TAIL ~ A container} holding {HEAD ~ a quantity} of conventional bubble forming solution is positioned so that each ring is immersed in the solution when the reciprocating member by which it is carried is in its lower position 
{ TAIL ~ A container } holding { HEAD ~ a quantity } of conventional bubble forming solution is positioned so that each ring is immersed in the solution when the reciprocating member by which it is carried is in its lower position
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH