Mumyaka 40-yongeyeho, NLB yateguye ibisubizo byamazi kubisabwa birenze ibyo dushobora kubara. Mu ruganda rukora ibyuma n’inganda, uruganda rukora imigati n’imigati, indege y’amazi y’umuvuduko mwinshi igira uruhare mu bwiza no gutanga umusaruro buri munsi.
NLB ifite isomero rinini ryaAmatangazo yo gusaba ibicuruzwairahari kugirango umenye byinshi kubyerekeranye nuburyo amazi yohereza amazi ashobora kugufasha. Niba gusaba kwawe kutari muri bo, duhe guhamagara… dukunda gushakisha uburyo bushya bwo gukora amazi agukorera.
