Main:0715.03.4 "Welding technology" 0715.03.01.4 "Gas welder"
With 0721.07.4 "Oil, cheese and milk production technology" 0721.07.06.4 "Milk and milk products production equipment operator-operator"
Forward 0714.02.4 "Technical operation of electrical equipment of machines and mechanisms" 0714.02.02.4 "Electromechanic of elevators"