Последние добавленные видео:
how-to-learn-hvac
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632221 4 years ago 21:45HVAC Training Basics for New Techs: Gauges, Pressures, Temps, Check the Charge!
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7292 4 years ago 15:29HOW TO LEARN HVAC DESIGN IN MALAYALAM ||THERMAL LOAD CALCULATION || DUCT CALCULATION
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29740 4 years ago 5:31Studying As HVAC Technician - HVAC Training Videos
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7782 1 month ago 8:53Learn HVAC Diagnostics on Your Own: 01
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125948 3 years ago 11:21HVAC Videos For Beginners
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597379 3 years ago 7:18Air Conditioning System Basics hvacr how does it work