A quantity of glass is heated so that it will flow and transmit pressure following which {HEAD ~ the heated body} is immersed in {TAIL ~ the heated glass} and the flowable glass is subjected to a pressure high enough to further compact the body 
is immersed in
A quantity of glass is heated so that it will flow and transmit pressure following which { HEAD ~ the heated body } is immersed in { TAIL ~ the heated glass } and the flowable glass is subjected to a pressure high enough to further compact the body
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH