A convenient place to go through THAT, quickly, without too much fuss, they will tell you if it is possible to fix the flaws "on the go". There are queues, but the guys work quickly, so you don't "hang up" for a long time.
An ordinary station, like adequate people, everything is clear, passed without any problems or anything supernatural, you can stop by safely, from the cons Yandex brought me from the back side where the exit is :-).
A good diagnostic station, there is no churning like at many others, the traffic is always fast and it does not take long to wait, Although the diagnostic procedures are the same, an example for other diagnostic stations