... plug, and so on. This product applies to take down the plaster cast after the fixation and diaplasis ... a 5mm inner hexagon spanner, and then can operate it. B). Before the operation, using formalin to disinfect ... too hot, you should stop using it, and wait to use it again after it cools, or else the engine ... motor load, and so on,you should send it back to the producer or the electrician to check and ...