In history of railways , almost 90% of the accidents happens because of two reasons:
Train comes away from track
TRAIN COMES AWAY FROM TRACK
It means that track is not all problems but train moves out of track. This happens because Of lack of concentration of the people who works with track. For example when the nuts and bolts get loosed these sorts of problems ...
Miniaturization of hybrid integrated buck converters is impeded by the difference in growth laws in current rating for silicon and for inductors as current rating increases. In the 20 A range, this leads to the attractive feasibility of plagiarizing the output inductor as the largest component by utilizing low temperature cofired ceramic technology in the form of the (magnetic) substrate ...