metric system

The kilogram, meter, and second are the fundamental base units upon which the metric system is built, but seven units of measure are defined from which all the other units are derived: Kilogram: The kilogram (kg) is the base unit of mass. harga paket sound system 50000 watt Meter or Metre: The meter (m) is the unit of length or distance. energy management system iso 50001 Second: The second (s) is the fundamental