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प्रश्न
Name a device that prevents loss of energy (or gain) by conduction, convection, and radiation.
एक शब्द/वाक्यांश उत्तर
उत्तर
Thermos flask.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
Name a device that prevents loss of energy (or gain) by conduction, convection, and radiation.
Thermos flask.