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Here two different topics were mixed up, which are often artificially put together - private operators of public services and social benefits. And if you look at it soberly, then the corruption or semi-corruption risks in large contracts such as railway transportation can really be significant...

Judging by the description, this is very similar to the normal behavior of a zone valve with a spring return, when you put it in the manual or working position, it holds only as long as there is power or a control signal, and when the boiler turns off or the power goes out, the actuator simply...