How does the FemCap prevent pregnancy? It's is simple concept with outstanding results. Place a silicone cap over the cervix to stop sperm from advancing to the uterus. Years of research went into designing the perfect cervical cap that would be comfortable, effective, and easy to use.
An electric motor is an electrical machine that converts electrical energy into mechanical energy. The reverse of this would be the conversion of mechanical energy into electrical energy and is done by an electric generator.
Definition of motorcar. 1  1 : automobile. 2  2 usually motor car : a railroad car containing motors for propulsion.