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Not all members of the community actually apply their knowledge by building the daldal for themselves, and it took several years before the practice began to spread beyond the first few men who initiated it.

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The knowledge behind the practice of building the daldal is now known to all male members of the community, but some Irob men are regarded as more skilful than others in adapting and improving the daldal and in experimenting with different ways of using the niches that they have created for crop, grass and tree production.

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