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CREDITS Animation \u0026amp; Design: Jean-Pierre Louw...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003eEnergy Efficiency | Energy | Physics | FuseSchool You may have been told that you cannot create or destroy energy, but we certainly use it - and pay for it, so what does get used up? 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useful energy, energy waste physics, wasted energy in physics, energy efficiency calculation, how to calculate energy efficiency, calculate light bulb efficiency, reduce loss of energy, how to reduce the loss of energy, box represents, wasted energy, heat loss, efficiency, loss, reduce, mixer, amount, represent, efficient, 5% efficient, calculate, ways, transfer, house, make\u003c/div\u003e\n\u003cdiv class='keyterms-toggle-buttons' data-identifier='Boclips::VideoDecorator634c05c7f0c50125a1d07096'\u003e\n\u003cbutton aria-expanded='false' class='more btn-link' type='button'\u003e\n\u003cspan\u003eShow More\u003c/span\u003e\n\u003ci aria-hidden='true' class='fa-solid fa-caret-down ml5'\u003e\u003c/i\u003e\n\u003c/button\u003e\n\u003cbutton aria-expanded='true' class='less btn-link' style='display: none;' type='button'\u003e\n\u003cspan\u003eShow Less\u003c/span\u003e\n\u003ci aria-hidden='true' class='fa-solid fa-caret-up 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