| http://www.w3.org/ns/prov#value | - Typical polymerizable materials which may be employed and practiced in my invention include monomers, such as those liquid acrylic monomers like acrylic acids and acrylic esters and ethers, such as l,3-butylene glycol dimethacrylate, allyl acrylate, divinylbenzene, ethylene glycol 'dimethacrylate, diallylfumarate and acrylic acid and other such monomers containing double bonds, preferably at least
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