firstly sorry to say it but i think you mean brake and it ordepends what kinds of trains please get back to me
dc series motor used in metro train.
epicyclic gear train
Steel.
There are levers used on trains, but how many and what type will depend on what type of train and what types of cars on in the train. Steam trains used many more levers than typical trains today. This is because there are other mechanical, elctrical, and electronic devices to assist today.
Train horns are used as a warning sign. Each different type of warning requires a different sequence of sound by the horn. The train horn can be used to signal things such as an upcoming intersection, upcoming train station, initiation of movement, change of direction, and warn pedestrians of the train's presence.
Hydrolysis
it depends on who you want to train and/or break your horse.
Either a cutaway or flashback is the type of joke that is commonly used to break up the main story on Family Guy.
Nobody can be sure of the very first person to break and train a horse, as it was such a long time ago.
dc series motors are used because of torque vs speed characteristics.
bullet train.........
Type your answer here...These are used in speed reducers, clocks and machine tools.