In the 1970s the USA tried to convert to the metric system https://t.co/Vvz2Ur9DvC https://video.twimg.com/ext_tw_video/1821106683277426688/pu/vid/avc1/576x484/aMyN4N-dPMdUAWKR.mp4?tag=12
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In the 1970s the USA tried to convert to the metric system https://t.co/Vvz2Ur9DvC https://video.twimg.com/ext_tw_video/1821106683277426688/pu/vid/avc1/576x484/aMyN4N-dPMdUAWKR.mp4?tag=12
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