| http://www.w3.org/ns/prov#value | - There are a number of varieties of acacia bushes in Namibia, including Acacia mellifera, Acacia reficiens, Dichrostachys cinerea, Colophospermum mopane, Terminalia sericea and Rhigozum trichotomum. ???In order to be able to use these as building materials and binders, we need to analyse them systematically and first of all establish which components, for example rubber, phenolic resins or lignin,
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