State Junior High School 4 Pancatengah
Environmentally Friendly Technology (Water Filtration)
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Designing a Simple Periscope
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Rainproof Drying Rack
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Designing a Pontoon Bridge
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Reducing the Impact of Light Exposure
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Replacing Plastics with Edible Film
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Environmentally Friendly Technology (Water Filtration)
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Solving Beach Abrasion
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Making a Product from Waste Cooking Oil
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Designing an Earthquake-Resistant House
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