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A project-based book about energy efficiency and personal development, showcasing student work and international collaboration.
96 
2 A student explains their process of solving a multiplication problem and discovers a more efficient method.
by drewpolly
56 1 Grandpa explains to Sam about the COVID-19 pandemic, its origins, how it spread, and the measures taken to control it. He also explains concepts like viruses, vaccines, and h…
by pagottoj
18990 1130 A group of ants in Hawaii work together to build homes closer to fruit trees, improving their efficiency and productivity.
18 An old farmer and his sons work on a tomato field for only a few months, leaving the rest of the year unproductive. The story raises questions about efficiency and productivi…
68 1 An overview of the U.S. Department of Transportation, its role, and responsibilities in ensuring safe and efficient transportation systems.
by 337976
19 A brief overview of energy-saving practices in Western countries, including the use of energy-saving light bulbs and labeling schemes for appliances in Europe.
by thuy3816
50 The story of Frederick Winslow Taylor, the Father of Scientific Management, and his impact on American industry.
9
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