Glider Experimental Works
... that the Polish Glider Experimental Works, created after World War II, became the main Polish centre for designing gliders?
... that the Polish <b id="mwCfM"><a href="./Szybowcowy_Zakład_Doświadczalny" id="mwCfQ" rel="mw:WikiLink" title="Szybowcowy Zakład Doświadczalny">Glider Experimental Works</a></b>, created after <a href="./World_War_II" id="mwCfU" rel="mw:WikiLink" title="World War II">World War II</a>, became the main Polish centre for designing gliders?