{HEAD ~ The alkali soluble support material B} of {TAIL ~ the present invention} is comprised of a base polymer, which may include a first comonomer and a second comonomer that is polymerized with the first comonomer to provide thermal and toughness properties suitable for deposition modeling 
{ HEAD ~ The alkali soluble support material B } of { TAIL ~ the present invention } is comprised of a base polymer , which may include a first comonomer and a second comonomer that is polymerized with the first comonomer to provide thermal and toughness properties suitable for deposition modeling
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