{HEAD ~ Process} for preparing {TAIL ~ tubular film} of hydrolyzed ethylene vinyl acetate copolymer 
for preparing
{ HEAD ~ Process } for preparing { TAIL ~ tubular film } of hydrolyzed ethylene vinyl acetate copolymer
HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH