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Energy Conservation ऊर्जा संरक्षण
Chapter 9 Energy saving tips in:
9.1 Lighting
9.2 Room Air Conditioner
9.3 Refrigerator
9.4 Water Heater
9.5 Computer
9.6 Fan, Heater, Blower and Washing Machine
9.7 Colour Television
9.8 Water Pump
9.9 Cooking
9.10 Transport
कृपया चैनल को सब्सक्राइब अवश्य करें ।
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