| skos:altLabel | - Bronze Age
- Copper
- copper
- Copper Age
- chalcolithic
- Neolithic
- Early Bronze Age
- Late Chalcolithic
- (Late Chalcolithic)
- Aeneolithic
- Aneolithic
- Calcolithic
- Chalcolithic (Copper Age)
- Chalcolithic Age
- Chalcolithic Era
- Chalcolithic Period
- Chalcolithic period
- Copper Age period
- Copper Ages
- Copper age
- Copper-Bronze Age
- Eneolithic
- Eneolithic period
- Late Calcolithic
- Late Chalcolithic Period
- Metal Age
- Middle Chalcolithic
- aeneolithic period
- calcolític
- copper age
- copper metal working
- copper metallurgy
- copper-age
- copper-stone age
- eneolithic
- late copper age
- local copper ore
- use of metal tools
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