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6 Temmuz 2015 Pazartesi

WHAT IS THE DIRECT PERCUSSUION ?

DIRECT PERCUSSION: A technique used in the manufacture of chipped-stone artifacts in which flakes are produced by striking a core with another stone, a hammerstone, or by striking the core against a fixed stone or anvil in order to dislodge a flake. The method is less precise in its results than indirect percussion. [free-hand percussion]

WHAT IS THE DIADEM?

DIAMDEM: A plain or decorated headband or crown of manmade or natural materials, usually as a badge of status or office.