<prompt> Qedela umusho olandelayo: Ngo-1977 i-GSIEN yaba ngowokuqala ukunikeza incazelo yezimbangela nemiphumela ye-  <response>: I-GSIEN yaqala ukuvelela ngesikhathi senhlekelele yaseChernobyl ngo-1986 lapho abezindaba nomphakathi bethola ukuthi ulwazi lwabo oluzimele lusiza ukulungisa ukushiyeka kolwazi olusemthethweni. Kamuva baqala ukuqashelwa kabanzi ngemuva kokuthi amalungu abo amaningi enikele kumaphrojekthi ahlukahlukene aphesheya kwezilwandle. 