Solid gold workmanship and other metal ornaments and tools showed a Greek influence, but the Etruscans' vaulted architecture, town planning, and irrigation systems were indigenous.
The tools and metal ornaments showed foreign influence.
mnli hypothesis: The tools and metal ornaments showed foreign influence. premise: Solid gold workmanship and other metal ornaments and tools showed a Greek influence, but the Etruscans' vaulted architecture, town planning, and irrigation systems were indigenous.