Ключевые слова: age, ancient, antique, archeology, axe, barbarian, blade, cave, caveman, cut, early, equipment, erectus, guinea, hammer, hand, handle, hard, heavy, hit, homo, hunter, indian, instrument, isolated, labor, man, modern, native, new, old, original, papua, prehistoric, primitive, progress, rock, rocky, sharp, simple, stick, stone, symbol, technology, tool, vintage, weapon, wooden, work, worker,