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.
Brachytherapy is one type of radiation therapy used to treat cancer. Radiation therapy is the use of a type of energy, called ionizing radiation, to kill cancer cells and shrink tumors.