Other monomers may be used as {HEAD ~ the second comonomer}, that achieve {TAIL ~ the thermal and toughness characteristics} desired for the modeling system in which the alkali soluble support material B will be used 
achieve
Other monomers may be used as { HEAD ~ the second comonomer } , that achieve { TAIL ~ the thermal and toughness characteristics } desired for the modeling system in which the alkali soluble support material B will be used
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH