<?xml version="1.0" encoding="UTF-8" standalone="no"?><image-reference id="_4206ec56-0508-4962-8c44-eec8fe107ea2"><num>S46C2 (explanatory)</num><title id="_7227ba5f-c563-4996-993f-db78bf7745e1">Calculation of fan performance ratio</title><image height="699" heightdpi="192" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/10145_0.2.0.png" width="1152" widthdpi="192"/></image-reference>