The exterior acts as a corridor of magnetic force from the South Pole to pole rccb, nue comprehensive and based on other components, strong and made of thick sheet steel or cast iron cylinder is roll
This project serves as a walkway outside of the magnetic field lines from the terminal. 'm very next stop south pole, and hold the other components are strong cast iron or steel plate and roll into a cylinder.
External structure serves as a passage of the magnetic lines of force from the north pole to the south pole, to provide ครบวงจรและ based on other components to a cast-iron or steel plate roll into a cylinder