Electrical discharge machining (EDM), also known as spark machining, spark eroding, burning, die sinking, wire burning or wire erosion, is a manufacturing process whereby a desired shape is obtained by using electrical discharges (sparks).[1] Material is removed from the workpiece by a series of rapidly recurring current discharges between two ...
Tramadol, sold under the brandname Ultram among others, is an opioid pain medication used to treat moderate to moderately severe pain. When taken as an immediate-release oral formulation, the onset of pain relief usually occurs within about an hour. It has two different mechanisms.
A label for 50 mg of Ultram (tramadol) tablets. Credit: National Institutes of Health. Tramadol is a prescription medication used to treat moderate to moderately severe pain. It is sold under the brand name Ultram in the United States, and as Ralivia, Dromodol and other names elsewhere. It is intended to work by changing the way the central nervous system responds to pain.