to_keep efficiency life Copy Link https://vm.tiktok.com/ZM87sdtdX/ over 3 years ago

to_keep efficiency happen Copy Link https://twitter.com/shawnxu/status/1339377828345757699?s=12 over 4 years ago

to_read efficiency ships Copy Link https://www.smithsonianmag.com/innovation/tiny-bubbles-under-ship-may-be-secret-to-reducing-fuel-consumption-180976278/ over 4 years ago

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