Sanadihii ugu dambeeyay, iyadoo horumarka joogtada ah ee tignoolajiyada caafimaadka, baahida loo qabo isticmaalka dawooyinka ayaa sidoo kale sii kordhayay. Alaabooyinka caafimaad ee la isticmaalo waxaa ka mid ah qalab iyo qalab caafimaad oo kala duwan, sida galoofyada, waji-xidhka, jeermiska jeermiska, faleebooyinka, tuubooyinka, iwm, waana agabka daruuriga ah...
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