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UNITS - Coggle Diagram
UNITS
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Long distance- Trundel wheel, Km
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Yard,scale,yard scale,trundle wheel,meter
yard stick, meter stick and trundle wheel and feet
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light years
in this many years, it can go this many killometers
Centimeters, millimeter, grams
first appears in France, in 1790's
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Customary system, used in Us
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