Four Types of Actuators. An actuator is a kind of motor that controls or moves mechanisms or systems. It takes hydraulic fluid, electric current or other sources of power and converts the energy to facilitate the motion.
Dercumâs disease, also known as adiposis dolorosa, is a rare disorder characterized by multiple, painful growths consisting of fatty tissue, called lipomas. They mainly occur on the trunk, the upper arms and upper legs and are found just below the skin.
The onset is sudden and symptoms last for an average of 3 to 7 days. The illness may cause severe dehydration and require treatment in hospital. Mainly infants up to 3 years of age are affected, but older children and adults may also have symptomatic infection. Children can be infected with rotavirus several times during their lives. Children and adults with impaired immunity are at increased risk of more severe infection.