Business, earth day, environmental protection, energy saving, green, light bulb, sky, grass
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Penghematan energi
Discover Pinterest’s best ideas and inspiration for Penghematan energi. Get inspired and try out new things.
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Illustration about Vector illustration of a planet earth cartoon switching off lights. Illustration of showing, pointing, earth - 13786858
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Download this Earth Off The Light Boy Png, Earth Hour, Save Electricity, Pull Lights PNG clipart image with transparent background for free. Pngtree provides millions of free png, vectors, clipart images and psd graphic resources for designers.| 4759318
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Order a high-quality Turn Off The Lights Label with fast shipping from SafetySign.com. 10% instant savings available.
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12 green ideas to celebrate world environment day 2017 at your home to make commitment for the cause of maintaining green environment.
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A homemade solar cell made of copper sheet and salt water can give insights into the physics of the photoelectric effect. A homemade solar cell is perfect for science class demonstrations, science fairs and even powering your own small devices.
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