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WFP HOT WATER SYSTEMS AND FREEZING WEATHER
Actually hot water freezes quicker [known as the "Mpemba effect"] and can cause glass to crack at minus temperatures.
You only have to take a glass out of a dishwasher while still hot and fill it with cold water - to prove the point.
Winter Window Cleaning - WFP and heated systems - Anti freeze and PVC - White Vinegar - Using Methanol - Trolley System - Slipping with WFP
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