[word=and] [lemma="broad-based"] [tag=NN] [□]
[word=and] [lemma="broad-based"] [tag=NN] [□=□]
[word=and] [lemma="broad-based"] [tag=NN] [□ & □]
Yet , a viable and efficient strategy calls for careful consideration of traditional technologies that have been or can be upgraded for wide application and broad-based benefit to the African population .