[word=and] [lemma="broad-based"] [tag=NN] [lemma=□]
[word=and] [lemma="broad-based"] [tag=NN] [lemma=to]
[word=and] [lemma="broad-based"] [tag=NN] [lemma="broad-based"]
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 .