How much does a rock weigh? Trains come in all shapes and sizes, from a single-carriage passenger train (approx 40t) to freight trains with multiple locos, dozens of wagons and hundreds of tons of cargo. A ballpark figure of about 200t probably covers a lot of passenger D/EMUs. Formations can be made up of one or more D/EMUs.
Electrotherapy is a medical technique in which an electric current is used to perform a wide variety of tasks associated with pain, neurological disorders, muscle-related conditions, and drug delivery. Electrotherapy includes a range of medical techniques, some of which are under much debate and criticism.
A second type of biomedical therapy is electroconvulsive therapy, better known as electric shock therapy. It was first used by doctors in the 1930s to treat depression, anxiety, and schizophrenia by altering brain waves.