You can have electrical currents, or currents in fluids such as water or air.
The three types of ocean currents are surface currents, deep currents, and tidal currents. Surface currents are driven by winds, deep currents are driven by density and temperature differences, and tidal currents are driven by the gravitational pull of the moon and sun.
two basic types of tariffs are: 1.Most-Favoured 2.Prefernetial
there are 2
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the two basic types of hotel are the following; 1. Transient 2. Residential
observation and hypothesis
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Small and large
Carburetor or injected.
Energy are of various types. Two of them are:Kinetic energyPotential energy