Materials are inputs to production[?] or manufacturing. They are often raw - that is unprocessed, but are sometimes processed before being used in more advanced production processes. In general, in technologically advanced societies, the materials are not finished consumer goods.
... sc). Birch, both European[?] and Kamchatkan[?]
(Betula elba and B. Ermani), elder, poplar, elm, wild cherry[?] (Prunus padus), Taxus baccata and several willows are ...