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a) Big schist core with longitudinal flaking from level 2 at P1L site; b) core on chert scarcely exploited from level 1 at EF site; c and d) small chert flakes from level 2 at P1L site; e and f) medium-sized chert flakes from level 2 at P1L site; g) middle-sized chert retouched flake –denticulate- from level 2 at P1L site.
