Comments by "Top 40 Researcher" (@top40researcher31) on "American Reacts to Who Invented The Metric System, u0026 Why It's NOT Perfect" video.

  1. In Australia The conversion from imperial weights & measures to metric weights & measures was phased in over 18 years ( 1970 to 1988 ). From 1988 metric units became the sole legal units of measurement in Australia. Weights & measures conversion started in 1974 and was more or less completed by 1982
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