Having said that, it's very important that what we have now is a wider range of potencies available than we had in the 1970s, in particular."
Uma sikushilo lokho, kubaluleke kakhulu ukuthi lokhu esinakho manje kube wububanzi obubanzi bamandla atholakala kunalawo esasinawo ngawo-1970, ikakhulukazi. "