| http://www.w3.org/ns/prov#value | - FIG. 56A is a plan view in partial section from the underside of the build platform assembly of FIG. 56 with the build platform inserted illustrating the raised discontinuous structure of the underside of the build platform for supporting a build and a section along line 56A-56A of FIG. 56C illustrating a recess in the build platform into which fits a section of the build platform supporting frame
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