Really liked the data‑centre cooling course – it hit the spot for what I needed. The videos were easy to follow and the hands‑on lab where we used CFD software helped me finally understand how airflow works. I used the tip about variable‑speed fans on my own office server rack and saw a 12% drop in electricity use. The material was spot‑on and the examples from real companies made it feel relevant. All in all, a solid 5‑star experience!
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