Southpaw is a boxing term that designates the stance where the boxer has his right hand and right foot forward, leading with right jabs, and following with a left cross right hook. Southpaw is the normal stance for a left-handed boxer.
Because the American system of measurement is very similar to the British imperial system, units are also commonly referred to as imperial units. The units have many different origins.
The standard measurement system used by the scientists is called International System of Units, or SI. The units of measurement of a few physical quantities are considered to be base units; the units of measurement of all other quantities can be expressed through these. The base units are. Meter - a unit of length.