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.
Molluscum contagiosum is a common skin infection caused by a virus. Itâs annoying, but not dangerous. Anyone can get it, but itâs most common among children who are 1-10 years old, people who are sexually active, and people who have trouble fighting off infection.