<?xml version="1.0" encoding="UTF-8" standalone="no"?><image-reference xmlns:xt="urn:xpressauthor:trackchanges" id="_fb7aae26-dd5a-4eb6-a708-24d8dbcdbf82"><num>H1D4c (explanatory)</num><title id="_6303cef8-3a03-422e-83bc-b64b0d1d6f4e">Geometric slab with re-entrant corner</title><image alt="Geometric slab with re-entrant corner." href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/H1D4c-explanatory-geometric-slab-with-re-entrant-corner.svg"/></image-reference>