AB / Fitter (Матрос-слесарь) / Fitter (Слесарь) / Motorman / Fitter (Моторист-слесарь) / Welder (Сварщик судовой)

Officer in charge of an engineering watch in a manned engine-room or as designated duty engineer in a periodically unmanned engine-room on ships powered by main propulsion machinery of 750 kW propulsion power or more, Motorman / Fitter

AB / Motorman, AB / Fitter, Fitter, Motorman, Motorman / Fitter, Motorman-welder, Oiler

Fitter / Welder, Fitter, Motorman / Fitter, Motorman-welder