GPS monitoring of transportation. When they distributed trackers on the sites, they made a list of which car to put on, all distributed, said do not confuse.
The result: the merine of the chief has not moved for a week, but my eyes suggest that the merine has just safely passed by, the hose tractor, judging by the data just made a bit on the highway 210km / h, the working ural is not driving on the roads, but directly through the houses, and past bridges.