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In page Neolithic:

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The 'Neolithic' (defined in this paragraph as using polished stone implements) remains a living tradition in small and extremely remote and inaccessible pockets of West Papua. Polished stone adze and axes are used in the present day (as of 2008) in areas where the availability of metal implements is limited. This is likely to cease altogether in the next few years as the older generation die off and steel blades and chainsaws prevail.[citation needed]