In the article the task of cleaning and restoration of the gun tractor diesel engines with the help of ultrasonic electrochemical method. In the article the method of a priori rank for a quantitative assessment of the contribution of specific subsystems in the achievement of the objectives of the system (the tree of the purposes and tree systems). It is established that there is a sig... https://www.roneverhart.com/BB-CLUBHOUSE-JEAN-HELIX/