<?xml version="1.0" encoding="UTF-8" standalone="no"?><image-reference id="_8125ac8f-1745-410e-94a9-4b4154a22281"><num>11.2.2e</num><title id="_7e664efd-e3b8-4335-96b7-95c35289eef1">Spiral stairs — Measurement of openings in stairs</title><image alt="Spiral stairs — Measurement of openings in stairs." href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/11-2-2e-spiral-stairs-measurement-of-openings-in-stairs.svg"/></image-reference>