![Class-F-Animation-of-House-Showing-Energy-Efficiency-of-home-appliances-with-Rate-scale-in-black-background](https://videocdn.cdnpk.net/videos/afc9bb5b-a308-4c95-9146-7774e893f091/horizontal/thumbnails/small.jpg)
Class F Animation of House Showing Energy Efficiency of home appliances with Rate scale in black background
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