father explaining led bubls son teaching him about energy efficiency longevitiy and environmental impact changing |
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| navigate by keyword : bulbs changing conservation consumption costeffective durable ecofriendly education efficient electricity energysaving environmental explaining family father green helping home household illumination impact innovation installation kitchen learning led lifespan light lighting longevity lumens option power practical reduce renewable savings son sustainable teaching technology |
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| Father explaining led bubls to son, teaching him about energy efficiency, longevitiy and environmental impact. Son helping changing bulbs at home. |
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