In the photo below you will see clearly one coil on the armature (the rest were removed for servicing) and other coils built into the stator. From the 1890s until today 3 phase AC power has been the standard form of power. Three phases is made through the design of the generator.
Hepatitis A, B, and C are the most common types of viral hepatitis in the United States. Hepatitis is a medical term that means inflammation of the liver. It can be caused by many different things.hile hepatitis A can cause swelling of the liver, it doesn't normally cause permanent liver damage. For most people, symptoms are mild (see Hepatitis A Symptoms). There is no specific hepatitis A treatment.
Viral hepatitis, including hepatitis A, hepatitis B, and hepatitis C, are distinct diseases that affect the liver and have different hepatitis symptoms and treatments. Other causes of hepatitis include recreational drugs and prescription medications. Hepatitis type is determined by laboratory tests.