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Weave vegetable seeds into a string, lay it in the soil, and you’ll get a neat row of vegetables.
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Nylon sandbags are laid out in both longitudinal and transverse rows across the desert, achieving a
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Self-propelled mobile chicken greenhouse, allowing a single person to effortlessly manage 6,000 free
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The fascinating “sulfur hexafluoride” gas can keep objects suspended in midair.
Automatic squid-fishing machine: a string of squids keeps surfacing one after another
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Japan builds a ring-shaped aquarium, allowing fish to swim at high speed inside.
Over a dozen small boats are pushing the little island to move.
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