Research ArticleOpen accessAll words, across the recordEvaluation of Timber Extraction Machines in TurkeyNecmettin Senturk, Tolga OzturkIn forestry, like every kind of production, production works require a productive power. This productive power can be provided by both human power or animal and machines which are used by human beings. The production of wood raw material are formed various stages that continues from the productive place to market center. These work stages depend on each other like … …American Journal of Environmental Sciences, Vol. 1, Issue 1 · 31 Mar 2005 · 6,649 accessesView PDFCite