<?xml version="1.0" encoding="UTF-8" standalone="no"?><image-reference id="_8c5460ea-4e5c-4974-9493-8eec9c23ee8f"><num>10.6.2</num><title id="_0f8e746c-383c-4ec1-a07e-17a1057b730f">Method of determining areas of openings for borrowed ventilation</title><image alt="Method of determining areas of openings for borrowed ventilation" height="1152" heightdpi="200" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/10-6-2-method-of-determining-areas-of-openings-for-borrowed-ventilation.svg" width="1200" widthdpi="200"/></image-reference>