| http://www.w3.org/ns/prov#value | - Many structural plastics, as exemplified herein, may be suitably modified, such as through molecular weight adjustments or with fillers or by blending with other structural or other plastics, so as to provide physical properties which are not only excellent for the general utility of the structural plastic, such as tensile and impact strengths, but are correspondingly of such stiff, or highly visc
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