Lapho bekhetha imichilo yokukhanya ye-LED, abantu abaningi bavame ukugxila ekukhanyeni, izinga lokushisa lombala, kanye nesilinganiso sokuvikela amanzi, kodwa bavame ukunganaki ipharamitha ebalulekile - inkomba yokunikeza umbala (i-CRI). Abanye abantu bacabanga ukuthi “uma nje ingakhipha ukukhanya futhi ikhanya ngokwanele, ilungile ngokwanele”,...
Funda kabanzi