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<node TEXT="Why are fundamental units so called?" FOLDED="false" ID="ID_1723255651" CREATED="1283093380553" MODIFIED="1595678909779">
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<node TEXT="They are the building blocks" ID="ID_393379567" CREATED="1595669693999" MODIFIED="1595671008320"/>
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<node TEXT="They represent our basic notions" ID="ID_1799900457" CREATED="1595670408666" MODIFIED="1595670410187"/>
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<node TEXT="All other quantities are derived from these" ID="ID_1425895559" CREATED="1595669708362" MODIFIED="1595671157407"/>
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