<prompt> Qedela umusho olandelayo: UBosek wabamba iqhaza emidlalweni embalwa yeWorld Championship: 1970 indawo yesihlanu,  <response>: Ngo-1974 nango-1978 indawo yesishiyagalombili. Ngo-1974, iPoland, kuhlanganise noBosek, yathola isicoco seNdebe Yomhlaba. Kwakuyisihloko sokuqala se-World Champion emlandweni we-volleyball yasePoland. 