1) Soviet phraseology 
Udarnik (p=ʊˈdarnʲɪk) is a Russian, Bosnian, Croatian, Serbian and Slovenian term for a superproductive worker in the Soviet Union and the other countries from the Soviet Bloc. The term is derived from the expression `udarny trud` for `superproductive, enthusiastic labour`, which is often translated as strike labour (udar `shock, strike, ...