Explanation:
1)the system of measurement which are used by local people in a certain part of world is called local system of measurement.
-The units of measurement which are same throughout the world and accepted by most of people is called standard units of measurement.
2) The local system of measurement are not accurate and reliable.
-The standard units of measurement are accurate and reliable.
3) examples of local system-pathi,muri,pau,etc.
examples of standard system-metre,kilogram, second,etc
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