(with the symbol sr) is the unit of angle space in the international system of units. to describe the expanse of the

The unit, season that with the symbol UA or ua (astronomical unit) with the symbol AU, or the au to be displayed is one

Napier's with the symbol Np a to % measure physical topics and the amount of force. Like the gain and loss of signal

In physics, the electron volt (Electronvolt), The a measure of the energy that the symbol e.V is displayed, and its

Péta-Watt, which with PW is shown. equal to a quadrillion watts(1000000000000000).

Terra Watt, who with TW shown. is equal to one trillion watts (1000000000000).

GW, with the GW is shown. equal to one billion watts. This, YK, sometimes to express the power plants and transmission

KW, with kW is shown. equal to a thousand watts. The YK is usually to express the power output of engines and the power