<?xml version="1.0" encoding="UTF-8"?><toc><section id="sec_foreword"><title>Foreword</title></section><section id="sec_intro"><title>Introduction</title></section><section id="sec_1"><label>1</label><title>Scope</title></section><section id="sec_2"><label>2</label><title>Normative references</title></section><section id="sec_3"><label>3</label><title>Terms and definitions</title></section><section id="sec_A"><label>Annex A</label><title>Example of cupola furnace structure (informative)</title></section><section id="sec_bibl"><title>Bibliography</title></section><section id="sec_index"><title>Alphabetical index of terms</title></section></toc>