sentences:  For the roofing of their houses, the Jebala people make roofs made of corrugated iron or thatch, when the Rifians use dried clay.The Jebala who inhabit the Atlantic coast, Tangier area and the extreme west of the Rif have more rainfall, and therefore prefer pointed roof, in the Rif, where there is less rainfall flat roof is used.The Jebala have villages with houses clustered together, while the Rifians traditionally have dispersed homesteads, located at least 300 metres from each other.